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TheRock/compiler/amd-llvm/llvm/test/CodeGen/X86/fold-vex.ll
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Flatten subprojects into a single base monorepo
2026-09-02 16:34:47 -07:00

35 lines
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LLVM

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; Use CPU parameters to ensure that a CPU-specific attribute is not overriding the AVX definition.
; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx | FileCheck %s
; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mcpu=corei7-avx | FileCheck %s
; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mcpu=btver2 | FileCheck %s
; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=-avx | FileCheck %s --check-prefix=SSE
; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mcpu=corei7-avx -mattr=-avx | FileCheck %s --check-prefix=SSE
; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mcpu=btver2 -mattr=-avx | FileCheck %s --check-prefix=SSE
; No need to load unaligned operand from memory using an explicit instruction with AVX.
; The operand should be folded into the AND instr.
; With SSE, folding memory operands into math/logic ops requires 16-byte alignment
; unless specially configured on some CPUs such as AMD Family 10H.
define <4 x i32> @test1(ptr %p0, <4 x i32> %in1) nounwind {
; CHECK-LABEL: test1:
; CHECK: # %bb.0:
; CHECK-NEXT: vandps (%rdi), %xmm0, %xmm0
; CHECK-NEXT: retq
;
; SSE-LABEL: test1:
; SSE: # %bb.0:
; SSE-NEXT: movups (%rdi), %xmm1
; SSE-NEXT: andps %xmm1, %xmm0
; SSE-NEXT: retq
%in0 = load <4 x i32>, ptr %p0, align 2
%a = and <4 x i32> %in0, %in1
ret <4 x i32> %a
}