forked from OSchip/llvm-project
71 lines
1.3 KiB
LLVM
71 lines
1.3 KiB
LLVM
; RUN: opt < %s -instcombine -S | FileCheck %s
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; CHECK-LABEL: @a(
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; CHECK-NOT: bitcast
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; CHECK: ret
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define <4 x i32> @a(<1 x i64> %y) {
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%c = bitcast <2 x i64> <i64 0, i64 0> to <4 x i32>
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ret <4 x i32> %c
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}
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; CHECK-LABEL: @b(
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; CHECK-NOT: bitcast
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; CHECK: ret
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define <4 x i32> @b(<1 x i64> %y) {
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%c = bitcast <2 x i64> <i64 -1, i64 -1> to <4 x i32>
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ret <4 x i32> %c
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}
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; CHECK-LABEL: @foo(
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; CHECK-NOT: bitcast
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; CHECK: ret
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; from MultiSource/Benchmarks/Bullet
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define <2 x float> @foo() {
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%cast = bitcast i64 -1 to <2 x float>
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ret <2 x float> %cast
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}
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; CHECK-LABEL: @foo2(
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; CHECK-NOT: bitcast
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; CHECK: ret
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define <2 x double> @foo2() {
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%cast = bitcast i128 -1 to <2 x double>
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ret <2 x double> %cast
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}
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; CHECK-LABEL: @foo3(
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; CHECK-NOT: bitcast
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; CHECK: ret
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define <1 x float> @foo3() {
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%cast = bitcast i32 -1 to <1 x float>
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ret <1 x float> %cast
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}
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; CHECK-LABEL: @foo4(
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; CHECK-NOT: bitcast
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; CHECK: ret
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define float @foo4() {
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%cast = bitcast <1 x i32 ><i32 -1> to float
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ret float %cast
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}
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; CHECK-LABEL: @foo5(
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; CHECK-NOT: bitcast
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; CHECK: ret
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define double @foo5() {
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%cast = bitcast <2 x i32 ><i32 -1, i32 -1> to double
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ret double %cast
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}
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; CHECK-LABEL: @foo6(
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; CHECK-NOT: bitcast
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; CHECK: ret
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define <2 x double> @foo6() {
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%cast = bitcast <4 x i32><i32 -1, i32 -1, i32 -1, i32 -1> to <2 x double>
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ret <2 x double> %cast
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}
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