X-Git-Url: http://plrg.eecs.uci.edu/git/?a=blobdiff_plain;f=test%2FTransforms%2FInstCombine%2Fcast.ll;h=ff2c0a928984bb6a96657c5486a0cdd82b6e61eb;hb=7159a307b9a0a53f9a33e416d24b9308ef547d97;hp=75478778a9d8c0c23b83004d474c2b2953759007;hpb=26c5663283f89f1624304723ebe8c25d253463a3;p=oota-llvm.git

diff --git a/test/Transforms/InstCombine/cast.ll b/test/Transforms/InstCombine/cast.ll
index 75478778a9d..ff2c0a92898 100644
--- a/test/Transforms/InstCombine/cast.ll
+++ b/test/Transforms/InstCombine/cast.ll
@@ -99,14 +99,6 @@ define void @test11(i32* %P) {
 ; CHECK: ret void
 }
 
-define i32* @test12() {
-        %p = malloc [4 x i8]            ; <[4 x i8]*> [#uses=1]
-        %c = bitcast [4 x i8]* %p to i32*               ; <i32*> [#uses=1]
-        ret i32* %c
-; CHECK: %malloccall = tail call i8* @malloc(i32 4)
-; CHECK: ret i32* %c
-}
-
 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
@@ -265,22 +257,11 @@ define i1 @test31(i64 %A) {
         %C = and i32 %B, 42             ; <i32> [#uses=1]
         %D = icmp eq i32 %C, 10         ; <i1> [#uses=1]
         ret i1 %D
-; CHECK: %C1 = and i64 %A, 42
-; CHECK: %D = icmp eq i64 %C1, 10
+; CHECK: %C = and i64 %A, 42
+; CHECK: %D = icmp eq i64 %C, 10
 ; CHECK: ret i1 %D
 }
 
-define void @test32(double** %tmp) {
-        %tmp8 = malloc [16 x i8]                ; <[16 x i8]*> [#uses=1]
-        %tmp8.upgrd.1 = bitcast [16 x i8]* %tmp8 to double*             ; <double*> [#uses=1]
-        store double* %tmp8.upgrd.1, double** %tmp
-        ret void
-; CHECK: %malloccall = tail call i8* @malloc(i32 16)
-; CHECK: %tmp8.upgrd.1 = bitcast i8* %malloccall to double*
-; CHECK: store double* %tmp8.upgrd.1, double** %tmp
-; CHECK: ret void
-}
-
 define i32 @test33(i32 %c1) {
         %x = bitcast i32 %c1 to float           ; <float> [#uses=1]
         %y = bitcast float %x to i32            ; <i32> [#uses=1]
@@ -452,7 +433,7 @@ define i64 @test48(i8 %A, i8 %a) {
 ; CHECK: @test48
 ; CHECK-NEXT: %b = zext i8 %a to i64
 ; CHECK-NEXT: %B = zext i8 %A to i64
-; CHECK-NEXT: %C = shl i64 %B, 8
+; CHECK-NEXT: %C = shl nuw nsw i64 %B, 8
 ; CHECK-NEXT: %D = or i64 %C, %b
 ; CHECK-NEXT: ret i64 %D
 }
@@ -464,7 +445,7 @@ define i64 @test49(i64 %A) {
  ret i64 %D
 ; CHECK: @test49
 ; CHECK-NEXT: %C = shl i64 %A, 32
-; CHECK-NEXT: ashr i64 %C, 32
+; CHECK-NEXT: ashr exact i64 %C, 32
 ; CHECK-NEXT: %D = or i64 {{.*}}, 1
 ; CHECK-NEXT: ret i64 %D
 }
@@ -476,9 +457,11 @@ define i64 @test50(i64 %A) {
   %E = sext i32 %D to i64
   ret i64 %E
 ; CHECK: @test50
-; CHECK-NEXT: shl i64 %A, 30
+; 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 i64 {{.*}}, 32
+; CHECK-NEXT: %E = ashr exact i64 {{.*}}, 32
 ; CHECK-NEXT: ret i64 %E
 }
 
@@ -490,14 +473,12 @@ define i64 @test51(i64 %A, i1 %cond) {
   %F = sext i32 %E to i64
   ret i64 %F
 ; CHECK: @test51
-
-; FIXME: disabled, see PR5997
-; HECK-NEXT: %C = and i64 %A, 4294967294
-; HECK-NEXT: %D = or i64 %A, 1
-; HECK-NEXT: %E = select i1 %cond, i64 %C, i64 %D
-; HECK-NEXT: %sext = shl i64 %E, 32
-; HECK-NEXT: %F = ashr i64 %sext, 32
-; HECK-NEXT: ret i64 %F
+; 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
 }
 
 define i32 @test52(i64 %A) {
@@ -649,3 +630,299 @@ entry:
 ; 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: @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: @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: @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: @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: @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: @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: @test67
+; CHECK: ret i1 false
+}
+
+%s = type { i32, i32, i32 }
+
+define %s @test68(%s *%p, i64 %i) {
+; CHECK: @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
+}
+
+define double @test69(double *%p, i64 %i) {
+; CHECK: @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: @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: @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: @test72
+  %so = mul nsw i32 %i, 8
+  %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: @test73
+  %lo = mul nsw i128 %i, 8
+  %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: @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: @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: @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: @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: @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: @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: @test80
+  %tmp = mul nsw i32 %i, 8
+; 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 @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: @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: @test83
+; CHECK: %sub = add nsw i64 %k, 4294967295
+; CHECK: %sh_prom = trunc i64 %sub to i32
+; CHECK: %shl = shl i32 %conv, %sh_prom
+}