diff options
Diffstat (limited to 'llvm/test/CodeGen/X86/avx-trunc.ll')
| -rw-r--r-- | llvm/test/CodeGen/X86/avx-trunc.ll | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/X86/avx-trunc.ll b/llvm/test/CodeGen/X86/avx-trunc.ll index 789ca241394..c729b988cfb 100644 --- a/llvm/test/CodeGen/X86/avx-trunc.ll +++ b/llvm/test/CodeGen/X86/avx-trunc.ll @@ -39,3 +39,29 @@ define <16 x i8> @trunc_16_8(<16 x i16> %A) nounwind uwtable readnone ssp{ %B = trunc <16 x i16> %A to <16 x i8> ret <16 x i8> %B } + +define <16 x i8> @usat_trunc_wb_256(<16 x i16> %i) { +; CHECK-LABEL: usat_trunc_wb_256: +; CHECK: # BB#0: +; CHECK-NEXT: vextractf128 $1, %ymm0, %xmm1 +; CHECK-NEXT: vpackuswb %xmm1, %xmm0, %xmm0 +; CHECK-NEXT: vzeroupper +; CHECK-NEXT: retq + %x3 = icmp ult <16 x i16> %i, <i16 255, i16 255, i16 255, i16 255, i16 255, i16 255, i16 255, i16 255, i16 255, i16 255, i16 255, i16 255, i16 255, i16 255, i16 255, i16 255> + %x5 = select <16 x i1> %x3, <16 x i16> %i, <16 x i16> <i16 255, i16 255, i16 255, i16 255, i16 255, i16 255, i16 255, i16 255, i16 255, i16 255, i16 255, i16 255, i16 255, i16 255, i16 255, i16 255> + %x6 = trunc <16 x i16> %x5 to <16 x i8> + ret <16 x i8> %x6 +} + +define <8 x i16> @usat_trunc_dw_256(<8 x i32> %i) { +; CHECK-LABEL: usat_trunc_dw_256: +; CHECK: # BB#0: +; CHECK-NEXT: vextractf128 $1, %ymm0, %xmm1 +; CHECK-NEXT: vpackusdw %xmm1, %xmm0, %xmm0 +; CHECK-NEXT: vzeroupper +; CHECK-NEXT: retq + %x3 = icmp ult <8 x i32> %i, <i32 65535, i32 65535, i32 65535, i32 65535, i32 65535, i32 65535, i32 65535, i32 65535> + %x5 = select <8 x i1> %x3, <8 x i32> %i, <8 x i32> <i32 65535, i32 65535, i32 65535, i32 65535, i32 65535, i32 65535, i32 65535, i32 65535> + %x6 = trunc <8 x i32> %x5 to <8 x i16> + ret <8 x i16> %x6 +} |
