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TheRock/compiler/amd-llvm/llvm/test/CodeGen/X86/pr14161.ll
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derek.holloway 7502bf64a4
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Flatten subprojects into a single base monorepo
2026-09-02 16:34:47 -07:00

41 lines
1.4 KiB
LLVM

; 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
}