X-Git-Url: http://plrg.eecs.uci.edu/git/?p=oota-llvm.git;a=blobdiff_plain;f=test%2FTransforms%2FInstCombine%2Fcast.ll;h=578b16d981135bd5a3b8f0530a6636de9f26a058;hp=8ee4cc7433f05a6dbf7dc8b65ba7e7ea9dcfa0d5;hb=fe58be3733715dd30807e9aaa31500be456ecf53;hpb=d1c5ea1071bc2f794974bf1f4720d262fe668550

diff --git a/test/Transforms/InstCombine/cast.ll b/test/Transforms/InstCombine/cast.ll
index 8ee4cc7433f..578b16d9811 100644
--- a/test/Transforms/InstCombine/cast.ll
+++ b/test/Transforms/InstCombine/cast.ll
@@ -1,75 +1,1095 @@
 ; Tests to make sure elimination of casts is working correctly
+; RUN: opt < %s -instcombine -S | FileCheck %s
+target datalayout = "E-p:64:64:64-p1:32:32:32-p2:64:64:64-p3:64:64:64-a0:0:8-f32:32:32-f64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-v64:64:64-v128:128:128-n8:16:32:64"
 
-; RUN: llvm-as < %s | opt -instcombine -die | llvm-dis | grep '%c' | not grep cast
+@inbuf = external global [32832 x i8]           ; <[32832 x i8]*> [#uses=1]
+
+define i32 @test1(i32 %A) {
+        %c1 = bitcast i32 %A to i32             ; <i32> [#uses=1]
+        %c2 = bitcast i32 %c1 to i32            ; <i32> [#uses=1]
+        ret i32 %c2
+; CHECK: ret i32 %A
+}
+
+define i64 @test2(i8 %A) {
+        %c1 = zext i8 %A to i16         ; <i16> [#uses=1]
+        %c2 = zext i16 %c1 to i32               ; <i32> [#uses=1]
+        %Ret = zext i32 %c2 to i64              ; <i64> [#uses=1]
+        ret i64 %Ret
+; CHECK: %Ret = zext i8 %A to i64
+; CHECK: ret i64 %Ret
+}
+
+; This function should just use bitwise AND
+define i64 @test3(i64 %A) {
+        %c1 = trunc i64 %A to i8                ; <i8> [#uses=1]
+        %c2 = zext i8 %c1 to i64                ; <i64> [#uses=1]
+        ret i64 %c2
+; CHECK: %c2 = and i64 %A, 255
+; CHECK: ret i64 %c2
+}
+
+define i32 @test4(i32 %A, i32 %B) {
+        %COND = icmp slt i32 %A, %B             ; <i1> [#uses=1]
+        ; Booleans are unsigned integrals
+        %c = zext i1 %COND to i8                ; <i8> [#uses=1]
+        ; for the cast elim purpose
+        %result = zext i8 %c to i32             ; <i32> [#uses=1]
+        ret i32 %result
+; CHECK: %COND = icmp slt i32 %A, %B
+; CHECK: %result = zext i1 %COND to i32
+; CHECK: ret i32 %result
+}
+
+define i32 @test5(i1 %B) {
+        ; This cast should get folded into
+        %c = zext i1 %B to i8           ; <i8> [#uses=1]
+        ; this cast        
+        %result = zext i8 %c to i32             ; <i32> [#uses=1]
+        ret i32 %result
+; CHECK: %result = zext i1 %B to i32
+; CHECK: ret i32 %result
+}
+
+define i32 @test6(i64 %A) {
+        %c1 = trunc i64 %A to i32               ; <i32> [#uses=1]
+        %res = bitcast i32 %c1 to i32           ; <i32> [#uses=1]
+        ret i32 %res
+; CHECK:  trunc i64 %A to i32
+; CHECK-NEXT: ret i32
+}
+
+define i64 @test7(i1 %A) {
+        %c1 = zext i1 %A to i32         ; <i32> [#uses=1]
+        %res = sext i32 %c1 to i64              ; <i64> [#uses=1]
+        ret i64 %res
+; CHECK: %res = zext i1 %A to i64
+; CHECK: ret i64 %res
+}
+
+define i64 @test8(i8 %A) {
+        %c1 = sext i8 %A to i64         ; <i64> [#uses=1]
+        %res = bitcast i64 %c1 to i64           ; <i64> [#uses=1]
+        ret i64 %res
+; CHECK: = sext i8 %A to i64
+; CHECK-NEXT: ret i64
+}
+
+define i16 @test9(i16 %A) {
+        %c1 = sext i16 %A to i32                ; <i32> [#uses=1]
+        %c2 = trunc i32 %c1 to i16              ; <i16> [#uses=1]
+        ret i16 %c2
+; CHECK: ret i16 %A
+}
+
+define i16 @test10(i16 %A) {
+        %c1 = sext i16 %A to i32                ; <i32> [#uses=1]
+        %c2 = trunc i32 %c1 to i16              ; <i16> [#uses=1]
+        ret i16 %c2
+; CHECK: ret i16 %A
+}
+
+declare void @varargs(i32, ...)
+
+define void @test11(i32* %P) {
+        %c = bitcast i32* %P to i16*            ; <i16*> [#uses=1]
+        call void (i32, ...)* @varargs( i32 5, i16* %c )
+        ret void
+; CHECK: call void (i32, ...)* @varargs(i32 5, i32* %P)
+; CHECK: ret void
+}
+
+define i8* @test13(i64 %A) {
+        %c = getelementptr [0 x i8]* bitcast ([32832 x i8]* @inbuf to [0 x i8]*), i64 0, i64 %A             ; <i8*> [#uses=1]
+        ret i8* %c
+; CHECK: %c = getelementptr [32832 x i8]* @inbuf, i64 0, i64 %A
+; CHECK: ret i8* %c
+}
+
+define i1 @test14(i8 %A) {
+        %c = bitcast i8 %A to i8                ; <i8> [#uses=1]
+        %X = icmp ult i8 %c, -128               ; <i1> [#uses=1]
+        ret i1 %X
+; CHECK: %X = icmp sgt i8 %A, -1
+; CHECK: ret i1 %X
+}
+
+
+; This just won't occur when there's no difference between ubyte and sbyte
+;bool %test15(ubyte %A) {
+;        %c = cast ubyte %A to sbyte
+;        %X = setlt sbyte %c, 0   ; setgt %A, 127
+;        ret bool %X
+;}
+
+define i1 @test16(i32* %P) {
+        %c = icmp ne i32* %P, null              ; <i1> [#uses=1]
+        ret i1 %c
+; CHECK: %c = icmp ne i32* %P, null
+; CHECK: ret i1 %c
+}
+
+define i16 @test17(i1 %tmp3) {
+        %c = zext i1 %tmp3 to i32               ; <i32> [#uses=1]
+        %t86 = trunc i32 %c to i16              ; <i16> [#uses=1]
+        ret i16 %t86
+; CHECK: %t86 = zext i1 %tmp3 to i16
+; CHECK: ret i16 %t86
+}
+
+define i16 @test18(i8 %tmp3) {
+        %c = sext i8 %tmp3 to i32               ; <i32> [#uses=1]
+        %t86 = trunc i32 %c to i16              ; <i16> [#uses=1]
+        ret i16 %t86
+; CHECK: %t86 = sext i8 %tmp3 to i16
+; CHECK: ret i16 %t86
+}
+
+define i1 @test19(i32 %X) {
+        %c = sext i32 %X to i64         ; <i64> [#uses=1]
+        %Z = icmp slt i64 %c, 12345             ; <i1> [#uses=1]
+        ret i1 %Z
+; CHECK: %Z = icmp slt i32 %X, 12345
+; CHECK: ret i1 %Z
+}
+
+define i1 @test20(i1 %B) {
+        %c = zext i1 %B to i32          ; <i32> [#uses=1]
+        %D = icmp slt i32 %c, -1                ; <i1> [#uses=1]
+        ;; false
+        ret i1 %D
+; CHECK: ret i1 false
+}
+
+define i32 @test21(i32 %X) {
+        %c1 = trunc i32 %X to i8                ; <i8> [#uses=1]
+        ;; sext -> zext -> and -> nop
+        %c2 = sext i8 %c1 to i32                ; <i32> [#uses=1]
+        %RV = and i32 %c2, 255          ; <i32> [#uses=1]
+        ret i32 %RV
+; CHECK: %c21 = and i32 %X, 255
+; CHECK: ret i32 %c21
+}
+
+define i32 @test22(i32 %X) {
+        %c1 = trunc i32 %X to i8                ; <i8> [#uses=1]
+        ;; sext -> zext -> and -> nop
+        %c2 = sext i8 %c1 to i32                ; <i32> [#uses=1]
+        %RV = shl i32 %c2, 24           ; <i32> [#uses=1]
+        ret i32 %RV
+; CHECK: shl i32 %X, 24
+; CHECK-NEXT: ret i32
+}
+
+define i32 @test23(i32 %X) {
+        ;; Turn into an AND even though X
+        %c1 = trunc i32 %X to i16               ; <i16> [#uses=1]
+        ;; and Z are signed.
+        %c2 = zext i16 %c1 to i32               ; <i32> [#uses=1]
+        ret i32 %c2
+; CHECK: %c2 = and i32 %X, 65535
+; CHECK: ret i32 %c2
+}
+
+define i1 @test24(i1 %C) {
+        %X = select i1 %C, i32 14, i32 1234             ; <i32> [#uses=1]
+        ;; Fold cast into select
+        %c = icmp ne i32 %X, 0          ; <i1> [#uses=1]
+        ret i1 %c
+; CHECK: ret i1 true
+}
+
+define void @test25(i32** %P) {
+        %c = bitcast i32** %P to float**                ; <float**> [#uses=1]
+        ;; Fold cast into null
+        store float* null, float** %c
+        ret void
+; CHECK: store i32* null, i32** %P
+; CHECK: ret void
+}
+
+define i32 @test26(float %F) {
+        ;; no need to cast from float->double.
+        %c = fpext float %F to double           ; <double> [#uses=1]
+        %D = fptosi double %c to i32            ; <i32> [#uses=1]
+        ret i32 %D
+; CHECK: %D = fptosi float %F to i32
+; CHECK: ret i32 %D
+}
+
+define [4 x float]* @test27([9 x [4 x float]]* %A) {
+        %c = bitcast [9 x [4 x float]]* %A to [4 x float]*              ; <[4 x float]*> [#uses=1]
+        ret [4 x float]* %c
+; CHECK: %c = getelementptr inbounds [9 x [4 x float]]* %A, i64 0, i64 0
+; CHECK: ret [4 x float]* %c
+}
+
+define float* @test28([4 x float]* %A) {
+        %c = bitcast [4 x float]* %A to float*          ; <float*> [#uses=1]
+        ret float* %c
+; CHECK: %c = getelementptr inbounds [4 x float]* %A, i64 0, i64 0
+; CHECK: ret float* %c
+}
+
+define i32 @test29(i32 %c1, i32 %c2) {
+        %tmp1 = trunc i32 %c1 to i8             ; <i8> [#uses=1]
+        %tmp4.mask = trunc i32 %c2 to i8                ; <i8> [#uses=1]
+        %tmp = or i8 %tmp4.mask, %tmp1          ; <i8> [#uses=1]
+        %tmp10 = zext i8 %tmp to i32            ; <i32> [#uses=1]
+        ret i32 %tmp10
+; CHECK: %tmp2 = or i32 %c2, %c1
+; CHECK: %tmp10 = and i32 %tmp2, 255
+; CHECK: ret i32 %tmp10
+}
+
+define i32 @test30(i32 %c1) {
+        %c2 = trunc i32 %c1 to i8               ; <i8> [#uses=1]
+        %c3 = xor i8 %c2, 1             ; <i8> [#uses=1]
+        %c4 = zext i8 %c3 to i32                ; <i32> [#uses=1]
+        ret i32 %c4
+; CHECK: %c3 = and i32 %c1, 255
+; CHECK: %c4 = xor i32 %c3, 1
+; CHECK: ret i32 %c4
+}
+
+define i1 @test31(i64 %A) {
+        %B = trunc i64 %A to i32                ; <i32> [#uses=1]
+        %C = and i32 %B, 42             ; <i32> [#uses=1]
+        %D = icmp eq i32 %C, 10         ; <i1> [#uses=1]
+        ret i1 %D
+; CHECK: %C = and i64 %A, 42
+; CHECK: %D = icmp eq i64 %C, 10
+; CHECK: ret i1 %D
+}
+
+define i32 @test33(i32 %c1) {
+        %x = bitcast i32 %c1 to float           ; <float> [#uses=1]
+        %y = bitcast float %x to i32            ; <i32> [#uses=1]
+        ret i32 %y
+; CHECK: ret i32 %c1
+}
+
+define i16 @test34(i16 %a) {
+        %c1 = zext i16 %a to i32                ; <i32> [#uses=1]
+        %tmp21 = lshr i32 %c1, 8                ; <i32> [#uses=1]
+        %c2 = trunc i32 %tmp21 to i16           ; <i16> [#uses=1]
+        ret i16 %c2
+; CHECK: %tmp21 = lshr i16 %a, 8
+; CHECK: ret i16 %tmp21
+}
+
+define i16 @test35(i16 %a) {
+        %c1 = bitcast i16 %a to i16             ; <i16> [#uses=1]
+        %tmp2 = lshr i16 %c1, 8         ; <i16> [#uses=1]
+        %c2 = bitcast i16 %tmp2 to i16          ; <i16> [#uses=1]
+        ret i16 %c2
+; CHECK: %tmp2 = lshr i16 %a, 8
+; CHECK: ret i16 %tmp2
+}
+
+; icmp sgt i32 %a, -1
+; rdar://6480391
+define i1 @test36(i32 %a) {
+        %b = lshr i32 %a, 31
+        %c = trunc i32 %b to i8
+        %d = icmp eq i8 %c, 0
+        ret i1 %d
+; CHECK: %d = icmp sgt i32 %a, -1
+; CHECK: ret i1 %d
+}
+
+; ret i1 false
+define i1 @test37(i32 %a) {
+        %b = lshr i32 %a, 31
+        %c = or i32 %b, 512
+        %d = trunc i32 %c to i8
+        %e = icmp eq i8 %d, 11
+        ret i1 %e
+; CHECK: ret i1 false
+}
+
+define i64 @test38(i32 %a) {
+	%1 = icmp eq i32 %a, -2
+	%2 = zext i1 %1 to i8
+	%3 = xor i8 %2, 1
+	%4 = zext i8 %3 to i64
+        ret i64 %4
+; CHECK: %1 = icmp ne i32 %a, -2
+; CHECK: %2 = zext i1 %1 to i64
+; CHECK: ret i64 %2
+}
+
+define i16 @test39(i16 %a) {
+        %tmp = zext i16 %a to i32
+        %tmp21 = lshr i32 %tmp, 8
+        %tmp5 = shl i32 %tmp, 8
+        %tmp.upgrd.32 = or i32 %tmp21, %tmp5
+        %tmp.upgrd.3 = trunc i32 %tmp.upgrd.32 to i16
+        ret i16 %tmp.upgrd.3
+; CHECK-LABEL: @test39(
+; CHECK: %tmp.upgrd.32 = call i16 @llvm.bswap.i16(i16 %a)
+; CHECK: ret i16 %tmp.upgrd.32
+}
+
+define i16 @test40(i16 %a) {
+        %tmp = zext i16 %a to i32
+        %tmp21 = lshr i32 %tmp, 9
+        %tmp5 = shl i32 %tmp, 8
+        %tmp.upgrd.32 = or i32 %tmp21, %tmp5
+        %tmp.upgrd.3 = trunc i32 %tmp.upgrd.32 to i16
+        ret i16 %tmp.upgrd.3
+; CHECK-LABEL: @test40(
+; CHECK: %tmp21 = lshr i16 %a, 9
+; CHECK: %tmp5 = shl i16 %a, 8
+; CHECK: %tmp.upgrd.32 = or i16 %tmp21, %tmp5
+; CHECK: ret i16 %tmp.upgrd.32
+}
+
+; PR1263
+define i32* @test41(i32* %tmp1) {
+        %tmp64 = bitcast i32* %tmp1 to { i32 }*
+        %tmp65 = getelementptr { i32 }* %tmp64, i32 0, i32 0
+        ret i32* %tmp65
+; CHECK-LABEL: @test41(
+; CHECK: ret i32* %tmp1
+}
+
+define i32 addrspace(1)* @test41_addrspacecast_smaller(i32* %tmp1) {
+  %tmp64 = addrspacecast i32* %tmp1 to { i32 } addrspace(1)*
+  %tmp65 = getelementptr { i32 } addrspace(1)* %tmp64, i32 0, i32 0
+  ret i32 addrspace(1)* %tmp65
+; CHECK-LABEL: @test41_addrspacecast_smaller(
+; CHECK: addrspacecast i32* %tmp1 to i32 addrspace(1)*
+; CHECK-NEXT: ret i32 addrspace(1)*
+}
+
+define i32* @test41_addrspacecast_larger(i32 addrspace(1)* %tmp1) {
+  %tmp64 = addrspacecast i32 addrspace(1)* %tmp1 to { i32 }*
+  %tmp65 = getelementptr { i32 }* %tmp64, i32 0, i32 0
+  ret i32* %tmp65
+; CHECK-LABEL: @test41_addrspacecast_larger(
+; CHECK: addrspacecast i32 addrspace(1)* %tmp1 to i32*
+; CHECK-NEXT: ret i32*
+}
+
+define i32 @test42(i32 %X) {
+        %Y = trunc i32 %X to i8         ; <i8> [#uses=1]
+        %Z = zext i8 %Y to i32          ; <i32> [#uses=1]
+        ret i32 %Z
+; CHECK-LABEL: @test42(
+; CHECK: %Z = and i32 %X, 255
+}
+
+; rdar://6598839
+define zeroext i64 @test43(i8 zeroext %on_off) nounwind readonly {
+	%A = zext i8 %on_off to i32
+	%B = add i32 %A, -1
+	%C = sext i32 %B to i64
+	ret i64 %C  ;; Should be (add (zext i8 -> i64), -1)
+; CHECK-LABEL: @test43(
+; CHECK-NEXT: %A = zext i8 %on_off to i64
+; CHECK-NEXT: %B = add nsw i64 %A, -1
+; CHECK-NEXT: ret i64 %B
+}
+
+define i64 @test44(i8 %T) {
+ %A = zext i8 %T to i16
+ %B = or i16 %A, 1234
+ %C = zext i16 %B to i64
+ ret i64 %C
+; CHECK-LABEL: @test44(
+; CHECK-NEXT: %A = zext i8 %T to i64
+; CHECK-NEXT: %B = or i64 %A, 1234
+; CHECK-NEXT: ret i64 %B
+}
+
+define i64 @test45(i8 %A, i64 %Q) {
+ %D = trunc i64 %Q to i32  ;; should be removed
+ %B = sext i8 %A to i32
+ %C = or i32 %B, %D
+ %E = zext i32 %C to i64 
+ ret i64 %E
+; CHECK-LABEL: @test45(
+; CHECK-NEXT: %B = sext i8 %A to i64
+; CHECK-NEXT: %C = or i64 %B, %Q
+; CHECK-NEXT: %E = and i64 %C, 4294967295
+; CHECK-NEXT: ret i64 %E
+}
 
-implementation
 
-int %test1(int %A) {
-	%c1 = cast int %A to uint
-	%c2 = cast uint %c1 to int
-	ret int %c2
+define i64 @test46(i64 %A) {
+ %B = trunc i64 %A to i32
+ %C = and i32 %B, 42
+ %D = shl i32 %C, 8
+ %E = zext i32 %D to i64 
+ ret i64 %E
+; CHECK-LABEL: @test46(
+; CHECK-NEXT: %C = shl i64 %A, 8
+; CHECK-NEXT: %D = and i64 %C, 10752
+; CHECK-NEXT: ret i64 %D
 }
 
-ulong %test2(ubyte %A) {
-	%c1 = cast ubyte %A to ushort
-	%c2 = cast ushort %c1 to uint
-	%Ret = cast uint %c2 to ulong
-	ret ulong %Ret
+define i64 @test47(i8 %A) {
+ %B = sext i8 %A to i32
+ %C = or i32 %B, 42
+ %E = zext i32 %C to i64 
+ ret i64 %E
+; CHECK-LABEL: @test47(
+; CHECK-NEXT:   %B = sext i8 %A to i64
+; CHECK-NEXT: %C = and i64 %B, 4294967253
+; CHECK-NEXT:  %E = or i64 %C, 42
+; CHECK-NEXT:  ret i64 %E
 }
 
-ulong %test3(ulong %A) {    ; This function should just use bitwise AND
-	%c1 = cast ulong %A to ubyte
-	%c2 = cast ubyte %c1 to ulong
-	ret ulong %c2
+define i64 @test48(i8 %A, i8 %a) {
+  %b = zext i8 %a to i32
+  %B = zext i8 %A to i32
+  %C = shl i32 %B, 8
+  %D = or i32 %C, %b
+  %E = zext i32 %D to i64
+  ret i64 %E
+; CHECK-LABEL: @test48(
+; CHECK-NEXT: %b = zext i8 %a to i64
+; CHECK-NEXT: %B = zext i8 %A to i64
+; CHECK-NEXT: %C = shl nuw nsw i64 %B, 8
+; CHECK-NEXT: %D = or i64 %C, %b
+; CHECK-NEXT: ret i64 %D
 }
 
-uint %test4(int %A, int %B) {
-        %COND = setlt int %A, %B
-        %c = cast bool %COND to ubyte     ; Booleans are unsigned integrals
-        %result = cast ubyte %c to uint   ; for the cast elim purpose
-        ret uint %result
+define i64 @test49(i64 %A) {
+ %B = trunc i64 %A to i32
+ %C = or i32 %B, 1
+ %D = sext i32 %C to i64 
+ ret i64 %D
+; CHECK-LABEL: @test49(
+; CHECK-NEXT: %C = shl i64 %A, 32
+; CHECK-NEXT: ashr exact i64 %C, 32
+; CHECK-NEXT: %D = or i64 {{.*}}, 1
+; CHECK-NEXT: ret i64 %D
 }
 
-int %test5(bool %B) {
-        %c = cast bool %B to ubyte       ; This cast should get folded into
-        %result = cast ubyte %c to int   ; this cast
-        ret int %result
+define i64 @test50(i64 %A) {
+  %a = lshr i64 %A, 2
+  %B = trunc i64 %a to i32
+  %D = add i32 %B, -1
+  %E = sext i32 %D to i64
+  ret i64 %E
+; CHECK-LABEL: @test50(
+; lshr+shl will be handled by DAGCombine.
+; CHECK-NEXT: lshr i64 %A, 2
+; CHECK-NEXT: shl i64 %a, 32
+; CHECK-NEXT: add i64 {{.*}}, -4294967296
+; CHECK-NEXT: %E = ashr exact i64 {{.*}}, 32
+; CHECK-NEXT: ret i64 %E
 }
 
-int %test6(ulong %A) {
-	%c1 = cast ulong %A to uint
-	%res = cast uint %c1 to int
-	ret int %res
+define i64 @test51(i64 %A, i1 %cond) {
+  %B = trunc i64 %A to i32
+  %C = and i32 %B, -2
+  %D = or i32 %B, 1
+  %E = select i1 %cond, i32 %C, i32 %D
+  %F = sext i32 %E to i64
+  ret i64 %F
+; CHECK-LABEL: @test51(
+; CHECK-NEXT: %C = and i64 %A, 4294967294
+; CHECK-NEXT: %D = or i64 %A, 1
+; CHECK-NEXT: %E = select i1 %cond, i64 %C, i64 %D
+; CHECK-NEXT: %sext = shl i64 %E, 32
+; CHECK-NEXT: %F = ashr exact i64 %sext, 32
+; CHECK-NEXT: ret i64 %F
 }
 
-long %test7(bool %A) {
-	%c1 = cast bool %A to int
-	%res = cast int %c1 to long
-	ret long %res
+define i32 @test52(i64 %A) {
+  %B = trunc i64 %A to i16
+  %C = or i16 %B, -32574
+  %D = and i16 %C, -25350
+  %E = zext i16 %D to i32
+  ret i32 %E
+; CHECK-LABEL: @test52(
+; CHECK-NEXT: %B = trunc i64 %A to i32
+; CHECK-NEXT: %C = and i32 %B, 7224
+; CHECK-NEXT: %D = or i32 %C, 32962
+; CHECK-NEXT: ret i32 %D
 }
 
-long %test8(sbyte %A) {
-        %c1 = cast sbyte %A to ulong
-        %res = cast ulong %c1 to long
-        ret long %res
+define i64 @test53(i32 %A) {
+  %B = trunc i32 %A to i16
+  %C = or i16 %B, -32574
+  %D = and i16 %C, -25350
+  %E = zext i16 %D to i64
+  ret i64 %E
+; CHECK-LABEL: @test53(
+; CHECK-NEXT: %B = zext i32 %A to i64
+; CHECK-NEXT: %C = and i64 %B, 7224
+; CHECK-NEXT: %D = or i64 %C, 32962
+; CHECK-NEXT: ret i64 %D
 }
 
-short %test9(short %A) {
-	%c1 = cast short %A to int
-	%c2 = cast int %c1 to short
-	ret short %c2
+define i32 @test54(i64 %A) {
+  %B = trunc i64 %A to i16
+  %C = or i16 %B, -32574
+  %D = and i16 %C, -25350
+  %E = sext i16 %D to i32
+  ret i32 %E
+; CHECK-LABEL: @test54(
+; CHECK-NEXT: %B = trunc i64 %A to i32
+; CHECK-NEXT: %C = and i32 %B, 7224
+; CHECK-NEXT: %D = or i32 %C, -32574
+; CHECK-NEXT: ret i32 %D
 }
 
-short %test10(short %A) {
-	%c1 = cast short %A to uint
-	%c2 = cast uint %c1 to short
-	ret short %c2
+define i64 @test55(i32 %A) {
+  %B = trunc i32 %A to i16
+  %C = or i16 %B, -32574
+  %D = and i16 %C, -25350
+  %E = sext i16 %D to i64
+  ret i64 %E
+; CHECK-LABEL: @test55(
+; CHECK-NEXT: %B = zext i32 %A to i64
+; CHECK-NEXT: %C = and i64 %B, 7224
+; CHECK-NEXT: %D = or i64 %C, -32574
+; CHECK-NEXT: ret i64 %D
 }
 
-declare void %varargs(int, ...)
+define i64 @test56(i16 %A) nounwind {
+  %tmp353 = sext i16 %A to i32
+  %tmp354 = lshr i32 %tmp353, 5
+  %tmp355 = zext i32 %tmp354 to i64
+  ret i64 %tmp355
+; CHECK-LABEL: @test56(
+; CHECK-NEXT: %tmp353 = sext i16 %A to i64
+; CHECK-NEXT: %tmp354 = lshr i64 %tmp353, 5
+; CHECK-NEXT: %tmp355 = and i64 %tmp354, 134217727
+; CHECK-NEXT: ret i64 %tmp355
+}
+
+define i64 @test57(i64 %A) nounwind {
+ %B = trunc i64 %A to i32
+ %C = lshr i32 %B, 8
+ %E = zext i32 %C to i64
+ ret i64 %E
+; CHECK-LABEL: @test57(
+; CHECK-NEXT: %C = lshr i64 %A, 8 
+; CHECK-NEXT: %E = and i64 %C, 16777215
+; CHECK-NEXT: ret i64 %E
+}
+
+define i64 @test58(i64 %A) nounwind {
+ %B = trunc i64 %A to i32
+ %C = lshr i32 %B, 8
+ %D = or i32 %C, 128
+ %E = zext i32 %D to i64
+ ret i64 %E
+ 
+; CHECK-LABEL: @test58(
+; CHECK-NEXT:   %C = lshr i64 %A, 8
+; CHECK-NEXT:   %D = and i64 %C, 16777087
+; CHECK-NEXT:   %E = or i64 %D, 128
+; CHECK-NEXT:   ret i64 %E
+}
+
+define i64 @test59(i8 %A, i8 %B) nounwind {
+  %C = zext i8 %A to i32
+  %D = shl i32 %C, 4
+  %E = and i32 %D, 48
+  %F = zext i8 %B to i32
+  %G = lshr i32 %F, 4
+  %H = or i32 %G, %E
+  %I = zext i32 %H to i64
+  ret i64 %I
+; CHECK-LABEL: @test59(
+; CHECK-NEXT:   %C = zext i8 %A to i64
+; CHECK-NOT: i32
+; CHECK:   %F = zext i8 %B to i64
+; CHECK-NOT: i32
+; CHECK:   ret i64 %H
+}
+
+define <3 x i32> @test60(<4 x i32> %call4) nounwind {
+  %tmp11 = bitcast <4 x i32> %call4 to i128
+  %tmp9 = trunc i128 %tmp11 to i96
+  %tmp10 = bitcast i96 %tmp9 to <3 x i32>
+  ret <3 x i32> %tmp10
+  
+; CHECK-LABEL: @test60(
+; CHECK-NEXT: shufflevector
+; CHECK-NEXT: ret
+}
+
+define <4 x i32> @test61(<3 x i32> %call4) nounwind {
+  %tmp11 = bitcast <3 x i32> %call4 to i96
+  %tmp9 = zext i96 %tmp11 to i128
+  %tmp10 = bitcast i128 %tmp9 to <4 x i32>
+  ret <4 x i32> %tmp10
+; CHECK-LABEL: @test61(
+; CHECK-NEXT: shufflevector
+; CHECK-NEXT: ret
+}
+
+define <4 x i32> @test62(<3 x float> %call4) nounwind {
+  %tmp11 = bitcast <3 x float> %call4 to i96
+  %tmp9 = zext i96 %tmp11 to i128
+  %tmp10 = bitcast i128 %tmp9 to <4 x i32>
+  ret <4 x i32> %tmp10
+; CHECK-LABEL: @test62(
+; CHECK-NEXT: bitcast
+; CHECK-NEXT: shufflevector
+; CHECK-NEXT: ret
+}
+
+; PR7311 - Don't create invalid IR on scalar->vector cast.
+define <2 x float> @test63(i64 %tmp8) nounwind {
+entry:
+  %a = bitcast i64 %tmp8 to <2 x i32>           
+  %vcvt.i = uitofp <2 x i32> %a to <2 x float>  
+  ret <2 x float> %vcvt.i
+; CHECK-LABEL: @test63(
+; CHECK: bitcast
+; CHECK: uitofp
+}
+
+define <4 x float> @test64(<4 x float> %c) nounwind {
+  %t0 = bitcast <4 x float> %c to <4 x i32>
+  %t1 = bitcast <4 x i32> %t0 to <4 x float>
+  ret <4 x float> %t1
+; CHECK-LABEL: @test64(
+; CHECK-NEXT: ret <4 x float> %c
+}
+
+define <4 x float> @test65(<4 x float> %c) nounwind {
+  %t0 = bitcast <4 x float> %c to <2 x double>
+  %t1 = bitcast <2 x double> %t0 to <4 x float>
+  ret <4 x float> %t1
+; CHECK-LABEL: @test65(
+; CHECK-NEXT: ret <4 x float> %c
+}
+
+define <2 x float> @test66(<2 x float> %c) nounwind {
+  %t0 = bitcast <2 x float> %c to double
+  %t1 = bitcast double %t0 to <2 x float>
+  ret <2 x float> %t1
+; CHECK-LABEL: @test66(
+; CHECK-NEXT: ret <2 x float> %c
+}
+
+define float @test2c() {
+  ret float extractelement (<2 x float> bitcast (double bitcast (<2 x float> <float -1.000000e+00, float -1.000000e+00> to double) to <2 x float>), i32 0)
+; CHECK-LABEL: @test2c(
+; CHECK-NOT: extractelement
+}
+
+define i64 @test_mmx(<2 x i32> %c) nounwind {
+  %A = bitcast <2 x i32> %c to x86_mmx
+  %B = bitcast x86_mmx %A to <2 x i32>
+  %C = bitcast <2 x i32> %B to i64
+  ret i64 %C
+; CHECK-LABEL: @test_mmx(
+; CHECK-NOT: x86_mmx
+}
+
+define i64 @test_mmx_const(<2 x i32> %c) nounwind {
+  %A = bitcast <2 x i32> zeroinitializer to x86_mmx
+  %B = bitcast x86_mmx %A to <2 x i32>
+  %C = bitcast <2 x i32> %B to i64
+  ret i64 %C
+; CHECK-LABEL: @test_mmx_const(
+; CHECK-NOT: x86_mmx
+}
+
+; PR12514
+define i1 @test67(i1 %a, i32 %b) {
+  %tmp2 = zext i1 %a to i32
+  %conv6 = xor i32 %tmp2, 1
+  %and = and i32 %b, %conv6
+  %sext = shl nuw nsw i32 %and, 24
+  %neg.i = xor i32 %sext, -16777216
+  %conv.i.i = ashr exact i32 %neg.i, 24
+  %trunc = trunc i32 %conv.i.i to i8
+  %tobool.i = icmp eq i8 %trunc, 0
+  ret i1 %tobool.i
+; CHECK-LABEL: @test67(
+; CHECK: ret i1 false
+}
+
+%s = type { i32, i32, i32 }
+
+define %s @test68(%s *%p, i64 %i) {
+; CHECK-LABEL: @test68(
+  %o = mul i64 %i, 12
+  %q = bitcast %s* %p to i8*
+  %pp = getelementptr inbounds i8* %q, i64 %o
+; CHECK-NEXT: getelementptr %s*
+  %r = bitcast i8* %pp to %s*
+  %l = load %s* %r
+; CHECK-NEXT: load %s*
+  ret %s %l
+; CHECK-NEXT: ret %s
+}
+
+; addrspacecasts should be eliminated.
+define %s @test68_addrspacecast(%s* %p, i64 %i) {
+; CHECK-LABEL: @test68_addrspacecast(
+; CHECK-NEXT: getelementptr %s*
+; CHECK-NEXT: load %s*
+; CHECK-NEXT: ret %s
+  %o = mul i64 %i, 12
+  %q = addrspacecast %s* %p to i8 addrspace(2)*
+  %pp = getelementptr inbounds i8 addrspace(2)* %q, i64 %o
+  %r = addrspacecast i8 addrspace(2)* %pp to %s*
+  %l = load %s* %r
+  ret %s %l
+}
+
+define %s @test68_addrspacecast_2(%s* %p, i64 %i) {
+; CHECK-LABEL: @test68_addrspacecast_2(
+; CHECK-NEXT: getelementptr %s* %p
+; CHECK-NEXT: addrspacecast
+; CHECK-NEXT: load %s addrspace(1)*
+; CHECK-NEXT: ret %s
+  %o = mul i64 %i, 12
+  %q = addrspacecast %s* %p to i8 addrspace(2)*
+  %pp = getelementptr inbounds i8 addrspace(2)* %q, i64 %o
+  %r = addrspacecast i8 addrspace(2)* %pp to %s addrspace(1)*
+  %l = load %s addrspace(1)* %r
+  ret %s %l
+}
+
+define %s @test68_as1(%s addrspace(1)* %p, i32 %i) {
+; CHECK-LABEL: @test68_as1(
+  %o = mul i32 %i, 12
+  %q = bitcast %s addrspace(1)* %p to i8 addrspace(1)*
+  %pp = getelementptr inbounds i8 addrspace(1)* %q, i32 %o
+; CHECK-NEXT: getelementptr %s addrspace(1)*
+  %r = bitcast i8 addrspace(1)* %pp to %s addrspace(1)*
+  %l = load %s addrspace(1)* %r
+; CHECK-NEXT: load %s addrspace(1)*
+  ret %s %l
+; CHECK-NEXT: ret %s
+}
+
+define double @test69(double *%p, i64 %i) {
+; CHECK-LABEL: @test69(
+  %o = shl nsw i64 %i, 3
+  %q = bitcast double* %p to i8*
+  %pp = getelementptr inbounds i8* %q, i64 %o
+; CHECK-NEXT: getelementptr inbounds double*
+  %r = bitcast i8* %pp to double*
+  %l = load double* %r
+; CHECK-NEXT: load double*
+  ret double %l
+; CHECK-NEXT: ret double
+}
+
+define %s @test70(%s *%p, i64 %i) {
+; CHECK-LABEL: @test70(
+  %o = mul nsw i64 %i, 36
+; CHECK-NEXT: mul nsw i64 %i, 3
+  %q = bitcast %s* %p to i8*
+  %pp = getelementptr inbounds i8* %q, i64 %o
+; CHECK-NEXT: getelementptr inbounds %s*
+  %r = bitcast i8* %pp to %s*
+  %l = load %s* %r
+; CHECK-NEXT: load %s*
+  ret %s %l
+; CHECK-NEXT: ret %s
+}
+
+define double @test71(double *%p, i64 %i) {
+; CHECK-LABEL: @test71(
+  %o = shl i64 %i, 5
+; CHECK-NEXT: shl i64 %i, 2
+  %q = bitcast double* %p to i8*
+  %pp = getelementptr i8* %q, i64 %o
+; CHECK-NEXT: getelementptr double*
+  %r = bitcast i8* %pp to double*
+  %l = load double* %r
+; CHECK-NEXT: load double*
+  ret double %l
+; CHECK-NEXT: ret double
+}
+
+define double @test72(double *%p, i32 %i) {
+; CHECK-LABEL: @test72(
+  %so = shl nsw i32 %i, 3
+  %o = sext i32 %so to i64
+; CHECK-NEXT: sext i32 %i to i64
+  %q = bitcast double* %p to i8*
+  %pp = getelementptr inbounds i8* %q, i64 %o
+; CHECK-NEXT: getelementptr inbounds double*
+  %r = bitcast i8* %pp to double*
+  %l = load double* %r
+; CHECK-NEXT: load double*
+  ret double %l
+; CHECK-NEXT: ret double
+}
+
+define double @test73(double *%p, i128 %i) {
+; CHECK-LABEL: @test73(
+  %lo = shl nsw i128 %i, 3
+  %o = trunc i128 %lo to i64
+; CHECK-NEXT: trunc i128 %i to i64
+  %q = bitcast double* %p to i8*
+  %pp = getelementptr inbounds i8* %q, i64 %o
+; CHECK-NEXT: getelementptr double*
+  %r = bitcast i8* %pp to double*
+  %l = load double* %r
+; CHECK-NEXT: load double*
+  ret double %l
+; CHECK-NEXT: ret double
+}
+
+define double @test74(double *%p, i64 %i) {
+; CHECK-LABEL: @test74(
+  %q = bitcast double* %p to i64*
+  %pp = getelementptr inbounds i64* %q, i64 %i
+; CHECK-NEXT: getelementptr inbounds double*
+  %r = bitcast i64* %pp to double*
+  %l = load double* %r
+; CHECK-NEXT: load double*
+  ret double %l
+; CHECK-NEXT: ret double
+}
+
+define i32* @test75(i32* %p, i32 %x) {
+; CHECK-LABEL: @test75(
+  %y = shl i32 %x, 3
+; CHECK-NEXT: shl i32 %x, 3
+  %z = sext i32 %y to i64
+; CHECK-NEXT: sext i32 %y to i64
+  %q = bitcast i32* %p to i8*
+  %r = getelementptr i8* %q, i64 %z
+  %s = bitcast i8* %r to i32*
+  ret i32* %s
+}
+
+define %s @test76(%s *%p, i64 %i, i64 %j) {
+; CHECK-LABEL: @test76(
+  %o = mul i64 %i, 12
+  %o2 = mul nsw i64 %o, %j
+; CHECK-NEXT: %o2 = mul i64 %i, %j
+  %q = bitcast %s* %p to i8*
+  %pp = getelementptr inbounds i8* %q, i64 %o2
+; CHECK-NEXT: getelementptr %s* %p, i64 %o2
+  %r = bitcast i8* %pp to %s*
+  %l = load %s* %r
+; CHECK-NEXT: load %s*
+  ret %s %l
+; CHECK-NEXT: ret %s
+}
+
+define %s @test77(%s *%p, i64 %i, i64 %j) {
+; CHECK-LABEL: @test77(
+  %o = mul nsw i64 %i, 36
+  %o2 = mul nsw i64 %o, %j
+; CHECK-NEXT: %o = mul nsw i64 %i, 3
+; CHECK-NEXT: %o2 = mul nsw i64 %o, %j
+  %q = bitcast %s* %p to i8*
+  %pp = getelementptr inbounds i8* %q, i64 %o2
+; CHECK-NEXT: getelementptr inbounds %s* %p, i64 %o2
+  %r = bitcast i8* %pp to %s*
+  %l = load %s* %r
+; CHECK-NEXT: load %s*
+  ret %s %l
+; CHECK-NEXT: ret %s
+}
+
+define %s @test78(%s *%p, i64 %i, i64 %j, i32 %k, i32 %l, i128 %m, i128 %n) {
+; CHECK-LABEL: @test78(
+  %a = mul nsw i32 %k, 36
+; CHECK-NEXT: mul nsw i32 %k, 3
+  %b = mul nsw i32 %a, %l
+; CHECK-NEXT: mul nsw i32 %a, %l
+  %c = sext i32 %b to i128
+; CHECK-NEXT: sext i32 %b to i128
+  %d = mul nsw i128 %c, %m
+; CHECK-NEXT: mul nsw i128 %c, %m
+  %e = mul i128 %d, %n
+; CHECK-NEXT: mul i128 %d, %n
+  %f = trunc i128 %e to i64
+; CHECK-NEXT: trunc i128 %e to i64
+  %g = mul nsw i64 %f, %i
+; CHECK-NEXT: mul i64 %f, %i
+  %h = mul nsw i64 %g, %j
+; CHECK-NEXT: mul i64 %g, %j
+  %q = bitcast %s* %p to i8*
+  %pp = getelementptr inbounds i8* %q, i64 %h
+; CHECK-NEXT: getelementptr %s* %p, i64 %h
+  %r = bitcast i8* %pp to %s*
+  %load = load %s* %r
+; CHECK-NEXT: load %s*
+  ret %s %load
+; CHECK-NEXT: ret %s
+}
+
+define %s @test79(%s *%p, i64 %i, i32 %j) {
+; CHECK-LABEL: @test79(
+  %a = mul nsw i64 %i, 36
+; CHECK: mul nsw i64 %i, 36
+  %b = trunc i64 %a to i32
+  %c = mul i32 %b, %j
+  %q = bitcast %s* %p to i8*
+; CHECK: bitcast
+  %pp = getelementptr inbounds i8* %q, i32 %c
+  %r = bitcast i8* %pp to %s*
+  %l = load %s* %r
+  ret %s %l
+}
+
+define double @test80([100 x double]* %p, i32 %i) {
+; CHECK-LABEL: @test80(
+  %tmp = shl nsw i32 %i, 3
+; CHECK-NEXT: sext i32 %i to i64
+  %q = bitcast [100 x double]* %p to i8*
+  %pp = getelementptr i8* %q, i32 %tmp
+; CHECK-NEXT: getelementptr [100 x double]*
+  %r = bitcast i8* %pp to double*
+  %l = load double* %r
+; CHECK-NEXT: load double*
+  ret double %l
+; CHECK-NEXT: ret double
+}
+
+define double @test80_addrspacecast([100 x double] addrspace(1)* %p, i32 %i) {
+; CHECK-LABEL: @test80_addrspacecast(
+; CHECK-NEXT: getelementptr [100 x double] addrspace(1)* %p
+; CHECK-NEXT: load double addrspace(1)*
+; CHECK-NEXT: ret double
+  %tmp = shl nsw i32 %i, 3
+  %q = addrspacecast [100 x double] addrspace(1)* %p to i8 addrspace(2)*
+  %pp = getelementptr i8 addrspace(2)* %q, i32 %tmp
+  %r = addrspacecast i8 addrspace(2)* %pp to double addrspace(1)*
+  %l = load double addrspace(1)* %r
+  ret double %l
+}
+
+define double @test80_addrspacecast_2([100 x double] addrspace(1)* %p, i32 %i) {
+; CHECK-LABEL: @test80_addrspacecast_2(
+; CHECK-NEXT: getelementptr [100 x double] addrspace(1)*
+; CHECK-NEXT: addrspacecast double addrspace(1)*
+; CHECK-NEXT: load double addrspace(3)*
+; CHECK-NEXT: ret double
+  %tmp = shl nsw i32 %i, 3
+  %q = addrspacecast [100 x double] addrspace(1)* %p to i8 addrspace(2)*
+  %pp = getelementptr i8 addrspace(2)* %q, i32 %tmp
+  %r = addrspacecast i8 addrspace(2)* %pp to double addrspace(3)*
+  %l = load double addrspace(3)* %r
+  ret double %l
+}
+
+define double @test80_as1([100 x double] addrspace(1)* %p, i16 %i) {
+; CHECK-LABEL: @test80_as1(
+  %tmp = shl nsw i16 %i, 3
+; CHECK-NEXT: sext i16 %i to i32
+  %q = bitcast [100 x double] addrspace(1)* %p to i8 addrspace(1)*
+  %pp = getelementptr i8 addrspace(1)* %q, i16 %tmp
+; CHECK-NEXT: getelementptr [100 x double] addrspace(1)*
+  %r = bitcast i8 addrspace(1)* %pp to double addrspace(1)*
+  %l = load double addrspace(1)* %r
+; CHECK-NEXT: load double addrspace(1)*
+  ret double %l
+; CHECK-NEXT: ret double
+}
+
+define double @test81(double *%p, float %f) {
+  %i = fptosi float %f to i64
+  %q = bitcast double* %p to i8*
+  %pp = getelementptr i8* %q, i64 %i
+  %r = bitcast i8* %pp to double*
+  %l = load double* %r
+  ret double %l
+}
+
+define i64 @test82(i64 %A) nounwind {
+  %B = trunc i64 %A to i32
+  %C = lshr i32 %B, 8
+  %D = shl i32 %C, 9
+  %E = zext i32 %D to i64
+  ret i64 %E
+
+; CHECK-LABEL: @test82(
+; CHECK-NEXT:   [[REG:%[0-9]*]] = shl i64 %A, 1
+; CHECK-NEXT:   %E = and i64 [[REG]], 4294966784
+; CHECK-NEXT:   ret i64 %E
+}
+
+; PR15959
+define i64 @test83(i16 %a, i64 %k) {
+  %conv = sext i16 %a to i32
+  %sub = add nsw i64 %k, -1
+  %sh_prom = trunc i64 %sub to i32
+  %shl = shl i32 %conv, %sh_prom
+  %sh_prom1 = zext i32 %shl to i64
+  ret i64 %sh_prom1
+
+; CHECK-LABEL: @test83(
+; CHECK: %sub = add i64 %k, 4294967295
+; CHECK: %sh_prom = trunc i64 %sub to i32
+; CHECK: %shl = shl i32 %conv, %sh_prom
+}
+
+define i8 @test84(i32 %a) {
+  %add = add nsw i32 %a, -16777216
+  %shr = lshr exact i32 %add, 23
+  %trunc = trunc i32 %shr to i8
+  ret i8 %trunc
+
+; CHECK-LABEL: @test84(
+; CHECK: [[ADD:%.*]] = add i32 %a, 2130706432
+; CHECK: [[SHR:%.*]] = lshr exact i32 [[ADD]], 23
+; CHECK: [[CST:%.*]] = trunc i32 [[SHR]] to i8
+}
+
+define i8 @test85(i32 %a) {
+  %add = add nuw i32 %a, -16777216
+  %shr = lshr exact i32 %add, 23
+  %trunc = trunc i32 %shr to i8
+  ret i8 %trunc
+
+; CHECK-LABEL: @test85(
+; CHECK: [[ADD:%.*]] = add i32 %a, 2130706432
+; CHECK: [[SHR:%.*]] = lshr exact i32 [[ADD]], 23
+; CHECK: [[CST:%.*]] = trunc i32 [[SHR]] to i8
+}
+
+; Overflow on a float to int or int to float conversion is undefined (PR21130).
+
+define i8 @overflow_fptosi() {
+  %i = fptosi double 1.56e+02 to i8
+  ret i8 %i
+; CHECK-LABEL: @overflow_fptosi(
+; CHECK-NEXT: ret i8 undef 
+}
+
+define i8 @overflow_fptoui() {
+  %i = fptoui double 2.56e+02 to i8
+  ret i8 %i
+; CHECK-LABEL: @overflow_fptoui(
+; CHECK-NEXT: ret i8 undef 
+}
+
+; The maximum float is approximately 2 ** 128 which is 3.4E38. 
+; The constant below is 4E38. Use a 130 bit integer to hold that
+; number; 129-bits for the value + 1 bit for the sign.
+define float @overflow_uitofp() {
+  %i = uitofp i130 400000000000000000000000000000000000000 to float
+  ret float %i
+; CHECK-LABEL: @overflow_uitofp(
+; CHECK-NEXT: ret float undef 
+}
+
+define float @overflow_sitofp() {
+  %i = sitofp i130 400000000000000000000000000000000000000 to float
+  ret float %i
+; CHECK-LABEL: @overflow_sitofp(
+; CHECK-NEXT: ret float undef 
+}
 
-void %test11(int* %P) {
-	%c = cast int* %P to short*
-	call void(int, ...)* %varargs(int 5, short* %c)
-	ret void
+define i32 @PR21388(i32* %v) {
+  %icmp = icmp slt i32* %v, null
+  %sext = sext i1 %icmp to i32
+  ret i32 %sext
+; CHECK-LABEL: @PR21388(
+; CHECK-NEXT: %[[icmp:.*]] = icmp slt i32* %v, null
+; CHECK-NEXT: %[[sext:.*]] = sext i1 %[[icmp]] to i32
+; CHECK-NEXT: ret i32 %[[sext]]
 }