llvm-project/llvm/test/CodeGen/X86/lower-vec-shuffle-bug.ll

42 lines
1.3 KiB
LLVM

; RUN: llc -mtriple=x86_64-unknown-unknown -mattr=+avx < %s | FileCheck %s
define <4 x double> @test1(<4 x double> %A, <4 x double> %B) {
; CHECK-LABEL: test1:
; CHECK: # BB#0:
; CHECK-NEXT: vinsertf128 $1, %xmm1, %ymm0, %ymm0
; CHECK-NEXT: retq
entry:
%0 = shufflevector <4 x double> %A, <4 x double> %B, <4 x i32> <i32 undef, i32 1, i32 undef, i32 5>
ret <4 x double> %0
}
define <4 x double> @test2(<4 x double> %A, <4 x double> %B) {
; CHECK-LABEL: test2:
; CHECK: # BB#0:
; CHECK-NEXT: vinsertf128 $1, %xmm0, %ymm0, %ymm0
; CHECK-NEXT: retq
entry:
%0 = shufflevector <4 x double> %A, <4 x double> %B, <4 x i32> <i32 undef, i32 1, i32 undef, i32 1>
ret <4 x double> %0
}
define <4 x double> @test3(<4 x double> %A, <4 x double> %B) {
; CHECK-LABEL: test3:
; CHECK: # BB#0:
; CHECK-NEXT: vinsertf128 $1, %xmm1, %ymm0, %ymm0
; CHECK-NEXT: retq
entry:
%0 = shufflevector <4 x double> %A, <4 x double> %B, <4 x i32> <i32 0, i32 1, i32 undef, i32 5>
ret <4 x double> %0
}
define <4 x double> @test4(<4 x double> %A, <4 x double> %B) {
; CHECK-LABEL: test4:
; CHECK: # BB#0:
; CHECK-NEXT: vinsertf128 $1, %xmm0, %ymm0, %ymm0
; CHECK-NEXT: retq
entry:
%0 = shufflevector <4 x double> %A, <4 x double> %B, <4 x i32> <i32 0, i32 1, i32 undef, i32 1>
ret <4 x double> %0
}