[opaque pointer type] Add textual IR support for explicit type parameter for global...

[oota-llvm.git] / test / Transforms / InstCombine / signext.ll

diff --git a/test/Transforms/InstCombine/signext.ll b/test/Transforms/InstCombine/signext.ll
index 098dde109f8b8583cb4dbbb1cab3076d314227df..3a714d7046d31363ac718e92f0f256972296144a 100644 (file)
--- a/test/Transforms/InstCombine/signext.ll
+++ b/test/Transforms/InstCombine/signext.ll
@@ -7,9 +7,9 @@ define i32 @test1(i32 %x) {
         %tmp.2 = xor i32 %tmp.1, -32768         ; <i32> [#uses=1]
         %tmp.3 = add i32 %tmp.2, 32768          ; <i32> [#uses=1]
         ret i32 %tmp.3
-; CHECK: @test1
-; CHECK: %sext = trunc i32 %x to i16
-; CHECK: %tmp.3 = sext i16 %sext to i32
+; CHECK-LABEL: @test1(
+; CHECK: %sext = shl i32 %x, 16
+; CHECK: %tmp.3 = ashr exact i32 %sext, 16
 ; CHECK: ret i32 %tmp.3
 }
 
@@ -18,9 +18,9 @@ define i32 @test2(i32 %x) {
         %tmp.2 = xor i32 %tmp.1, 32768          ; <i32> [#uses=1]
         %tmp.3 = add i32 %tmp.2, -32768         ; <i32> [#uses=1]
         ret i32 %tmp.3
-; CHECK: @test2
-; CHECK: %sext = trunc i32 %x to i16
-; CHECK: %tmp.3 = sext i16 %sext to i32
+; CHECK-LABEL: @test2(
+; CHECK: %sext = shl i32 %x, 16
+; CHECK: %tmp.3 = ashr exact i32 %sext, 16
 ; CHECK: ret i32 %tmp.3
 }
 
@@ -29,39 +29,50 @@ define i32 @test3(i16 %P) {
         %tmp.4 = xor i32 %tmp.1, 32768          ; <i32> [#uses=1]
         %tmp.5 = add i32 %tmp.4, -32768         ; <i32> [#uses=1]
         ret i32 %tmp.5
-; CHECK: @test3
+; CHECK-LABEL: @test3(
 ; CHECK: %tmp.5 = sext i16 %P to i32
 ; CHECK: ret i32 %tmp.5
 }
 
-define i32 @test4(i16 %P) {
-        %tmp.1 = zext i16 %P to i32             ; <i32> [#uses=1]
-        %tmp.4 = xor i32 %tmp.1, 32768          ; <i32> [#uses=1]
-        %tmp.5 = add i32 %tmp.4, -32768         ; <i32> [#uses=1]
-        ret i32 %tmp.5
-; CHECK: @test4
-; CHECK: %tmp.5 = sext i16 %P to i32
-; CHECK: ret i32 %tmp.5
-}
-
-define i32 @test5(i32 %x) {
+define i32 @test4(i32 %x) {
         %tmp.1 = and i32 %x, 255                ; <i32> [#uses=1]
         %tmp.2 = xor i32 %tmp.1, 128            ; <i32> [#uses=1]
         %tmp.3 = add i32 %tmp.2, -128           ; <i32> [#uses=1]
         ret i32 %tmp.3
-; CHECK: @test5
-; CHECK: %sext = trunc i32 %x to i8
-; CHECK: %tmp.3 = sext i8 %sext to i32
+; CHECK-LABEL: @test4(
+; CHECK: %sext = shl i32 %x, 24
+; CHECK: %tmp.3 = ashr exact i32 %sext, 24
 ; CHECK: ret i32 %tmp.3
 }
 
-define i32 @test6(i32 %x) {
+define i32 @test5(i32 %x) {
         %tmp.2 = shl i32 %x, 16         ; <i32> [#uses=1]
         %tmp.4 = ashr i32 %tmp.2, 16            ; <i32> [#uses=1]
         ret i32 %tmp.4
-; CHECK: @test6
+; CHECK-LABEL: @test5(
 ; CHECK: %tmp.2 = shl i32 %x, 16
-; CHECK: %tmp.4 = ashr i32 %tmp.2, 16
+; CHECK: %tmp.4 = ashr exact i32 %tmp.2, 16
 ; CHECK: ret i32 %tmp.4
 }
 
+define i32 @test6(i16 %P) {
+  %tmp.1 = zext i16 %P to i32                     ; <i32> [#uses=1]
+  %sext1 = shl i32 %tmp.1, 16                     ; <i32> [#uses=1]
+  %tmp.5 = ashr i32 %sext1, 16                    ; <i32> [#uses=1]
+  ret i32 %tmp.5
+; CHECK-LABEL: @test6(
+; CHECK: %tmp.5 = sext i16 %P to i32
+; CHECK: ret i32 %tmp.5
+}
+
+define i32 @test7(i32 %x) nounwind readnone {
+entry:
+  %shr = lshr i32 %x, 5                           ; <i32> [#uses=1]
+  %xor = xor i32 %shr, 67108864                   ; <i32> [#uses=1]
+  %sub = add i32 %xor, -67108864                  ; <i32> [#uses=1]
+  ret i32 %sub
+; CHECK-LABEL: @test7(
+; CHECK: %sub = ashr i32 %x, 5
+; CHECK: ret i32 %sub
+}
+