1 ; RUN: llc < %s -mtriple=x86_64-linux-pc -mcpu=corei7 | FileCheck %s 2 3 declare <4 x i32> @llvm.x86.sse41.pminud(<4 x i32>, <4 x i32>) 4 5 define <2 x i16> @good(<4 x i32>*, <4 x i8>*) { 6 entry: 7 %2 = load <4 x i32>* %0, align 16 8 %3 = call <4 x i32> @llvm.x86.sse41.pminud(<4 x i32> %2, <4 x i32> <i32 127, i32 127, i32 127, i32 127>) 9 %4 = extractelement <4 x i32> %3, i32 0 10 %5 = extractelement <4 x i32> %3, i32 1 11 %6 = extractelement <4 x i32> %3, i32 2 12 %7 = extractelement <4 x i32> %3, i32 3 13 %8 = bitcast i32 %4 to <2 x i16> 14 %9 = bitcast i32 %5 to <2 x i16> 15 ret <2 x i16> %8 16 ; CHECK: good 17 ; CHECK: pminud 18 ; CHECK-NEXT: pmovzxwq 19 ; CHECK: ret 20 } 21 22 define <2 x i16> @bad(<4 x i32>*, <4 x i8>*) { 23 entry: 24 %2 = load <4 x i32>* %0, align 16 25 %3 = call <4 x i32> @llvm.x86.sse41.pminud(<4 x i32> %2, <4 x i32> <i32 127, i32 127, i32 127, i32 127>) 26 %4 = extractelement <4 x i32> %3, i32 0 27 %5 = extractelement <4 x i32> %3, i32 1 28 %6 = extractelement <4 x i32> %3, i32 2 29 %7 = extractelement <4 x i32> %3, i32 3 30 %8 = bitcast i32 %4 to <2 x i16> 31 %9 = bitcast i32 %5 to <2 x i16> 32 ret <2 x i16> %9 33 ; CHECK: bad 34 ; CHECK: pminud 35 ; CHECK: pextrd 36 ; CHECK: pmovzxwq 37 ; CHECK: ret 38 } 39