forked from OSchip/llvm-project
91 lines
2.9 KiB
LLVM
91 lines
2.9 KiB
LLVM
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; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mcpu=x86-64 -mattr=+sse2 | FileCheck %s --check-prefix=SSE --check-prefix=SSE2
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; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mcpu=x86-64 -mattr=+ssse3 | FileCheck %s --check-prefix=SSE --check-prefix=SSSE3
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; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mcpu=x86-64 -mattr=+sse4.1 | FileCheck %s --check-prefix=SSE --check-prefix=SSE41
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; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mcpu=x86-64 -mattr=+avx | FileCheck %s --check-prefix=AVX --check-prefix=AVX1
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define i64 @trunc2i64(<2 x i64> %inval) {
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; SSE-LABEL: trunc2i64:
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; SSE: # BB#0: # %entry
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; SSE-NEXT: pshufd {{.*#+}} xmm0 = xmm0[0,2,2,3]
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; SSE-NEXT: movd %xmm0, %rax
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; SSE-NEXT: retq
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; AVX-LABEL: trunc2i64:
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; AVX: # BB#0: # %entry
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; AVX-NEXT: vpshufd {{.*#+}} xmm0 = xmm0[0,2,2,3]
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; AVX-NEXT: vmovq %xmm0, %rax
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; AVX-NEXT: retq
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entry:
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%0 = trunc <2 x i64> %inval to <2 x i32>
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%1 = bitcast <2 x i32> %0 to i64
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ret i64 %1
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}
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; PR15524 http://llvm.org/bugs/show_bug.cgi?id=15524
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define i64 @trunc4i32(<4 x i32> %inval) {
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; SSE2-LABEL: trunc4i32:
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; SSE2: # BB#0: # %entry
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; SSE2-NEXT: pshuflw {{.*#+}} xmm0 = xmm0[0,2,2,3,4,5,6,7]
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; SSE2-NEXT: pshufhw {{.*#+}} xmm0 = xmm0[0,1,2,3,4,6,6,7]
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; SSE2-NEXT: pshufd {{.*#+}} xmm0 = xmm0[0,2,2,3]
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; SSE2-NEXT: movd %xmm0, %rax
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; SSE2-NEXT: retq
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; SSSE3-LABEL: trunc4i32:
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; SSSE3: # BB#0: # %entry
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; SSSE3-NEXT: pshufb {{.*#+}} xmm0 = xmm0[0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15]
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; SSSE3-NEXT: movd %xmm0, %rax
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; SSSE3-NEXT: retq
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; SSE41-LABEL: trunc4i32:
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; SSE41: # BB#0: # %entry
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; SSE41-NEXT: pshufb {{.*#+}} xmm0 = xmm0[0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15]
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; SSE41-NEXT: movd %xmm0, %rax
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; SSE41-NEXT: retq
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; AVX-LABEL: trunc4i32:
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; AVX: # BB#0: # %entry
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; AVX-NEXT: vpshufb {{.*#+}} xmm0 = xmm0[0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15]
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; AVX-NEXT: vmovq %xmm0, %rax
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; AVX-NEXT: retq
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entry:
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%0 = trunc <4 x i32> %inval to <4 x i16>
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%1 = bitcast <4 x i16> %0 to i64
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ret i64 %1
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}
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; PR15524 http://llvm.org/bugs/show_bug.cgi?id=15524
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define i64 @trunc8i16(<8 x i16> %inval) {
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; SSE2-LABEL: trunc8i16:
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; SSE2: # BB#0: # %entry
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; SSE2-NEXT: pand .LCP{{.*}}(%rip), %xmm0
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; SSE2-NEXT: packuswb %xmm0, %xmm0
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; SSE2-NEXT: movd %xmm0, %rax
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; SSE2-NEXT: retq
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; SSSE3-LABEL: trunc8i16:
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; SSSE3: # BB#0: # %entry
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; SSSE3-NEXT: pshufb {{.*#+}} xmm0 = xmm0[0,2,4,6,8,10,12,14,u,u,u,u,u,u,u,u]
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; SSSE3-NEXT: movd %xmm0, %rax
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; SSSE3-NEXT: retq
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; SSE41-LABEL: trunc8i16:
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; SSE41: # BB#0: # %entry
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; SSE41-NEXT: pshufb {{.*#+}} xmm0 = xmm0[0,2,4,6,8,10,12,14,u,u,u,u,u,u,u,u]
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; SSE41-NEXT: movd %xmm0, %rax
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; SSE41-NEXT: retq
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; AVX-LABEL: trunc8i16:
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; AVX: # BB#0: # %entry
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; AVX-NEXT: vpshufb {{.*#+}} xmm0 = xmm0[0,2,4,6,8,10,12,14,u,u,u,u,u,u,u,u]
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; AVX-NEXT: vmovq %xmm0, %rax
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; AVX-NEXT: retq
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entry:
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%0 = trunc <8 x i16> %inval to <8 x i8>
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%1 = bitcast <8 x i8> %0 to i64
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ret i64 %1
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}
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