| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py |
| ; RUN: llc < %s -mtriple=x86_64-linux-pc -mcpu=corei7 | FileCheck %s |
| |
| declare <4 x i32> @llvm.umin.v4i32(<4 x i32>, <4 x i32>) |
| |
| define <2 x i16> @good(ptr, ptr) { |
| ; CHECK-LABEL: good: |
| ; CHECK: # %bb.0: # %entry |
| ; CHECK-NEXT: movdqa (%rdi), %xmm0 |
| ; CHECK-NEXT: pminud {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm0 |
| ; CHECK-NEXT: retq |
| entry: |
| %2 = load <4 x i32>, ptr %0, align 16 |
| %3 = call <4 x i32> @llvm.umin.v4i32(<4 x i32> %2, <4 x i32> <i32 127, i32 127, i32 127, i32 127>) |
| %4 = extractelement <4 x i32> %3, i32 0 |
| %5 = extractelement <4 x i32> %3, i32 1 |
| %6 = extractelement <4 x i32> %3, i32 2 |
| %7 = extractelement <4 x i32> %3, i32 3 |
| %8 = bitcast i32 %4 to <2 x i16> |
| %9 = bitcast i32 %5 to <2 x i16> |
| ret <2 x i16> %8 |
| } |
| |
| define <2 x i16> @bad(ptr, ptr) { |
| ; CHECK-LABEL: bad: |
| ; CHECK: # %bb.0: # %entry |
| ; CHECK-NEXT: pshufd {{.*#+}} xmm0 = mem[1,1,1,1] |
| ; CHECK-NEXT: pminud {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm0 |
| ; CHECK-NEXT: retq |
| entry: |
| %2 = load <4 x i32>, ptr %0, align 16 |
| %3 = call <4 x i32> @llvm.umin.v4i32(<4 x i32> %2, <4 x i32> <i32 127, i32 127, i32 127, i32 127>) |
| %4 = extractelement <4 x i32> %3, i32 0 |
| %5 = extractelement <4 x i32> %3, i32 1 |
| %6 = extractelement <4 x i32> %3, i32 2 |
| %7 = extractelement <4 x i32> %3, i32 3 |
| %8 = bitcast i32 %4 to <2 x i16> |
| %9 = bitcast i32 %5 to <2 x i16> |
| ret <2 x i16> %9 |
| } |