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TheRock/compiler/amd-llvm/llvm/test/CodeGen/X86/freeze-constant-fold.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
1.3 KiB
LLVM

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=i686-- | FileCheck %s --check-prefixes=CHECK,X86
; RUN: llc < %s -mtriple=x86_64-- | FileCheck %s --check-prefixes=CHECK,X64
define i32 @fold_add_freeze_i32() {
; CHECK-LABEL: fold_add_freeze_i32:
; CHECK: # %bb.0:
; CHECK-NEXT: movl $-1, %eax
; CHECK-NEXT: ret{{[l|q]}}
%1 = add i32 0, 0
%2 = freeze i32 %1
%3 = add i32 0, -1
%4 = freeze i32 %3
%5 = add i32 %2, %4
ret i32 %5
}
define <4 x i32> @fold_add_freeze_v4i32() {
; X86-LABEL: fold_add_freeze_v4i32:
; X86: # %bb.0:
; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
; X86-NEXT: movl $-1, 12(%eax)
; X86-NEXT: movl $-1, 8(%eax)
; X86-NEXT: movl $-1, 4(%eax)
; X86-NEXT: movl $-1, (%eax)
; X86-NEXT: retl $4
;
; X64-LABEL: fold_add_freeze_v4i32:
; X64: # %bb.0:
; X64-NEXT: pcmpeqd %xmm0, %xmm0
; X64-NEXT: retq
%1 = insertelement <4 x i32> poison, i32 0, i32 0
%2 = shufflevector <4 x i32> %1, <4 x i32> poison, <4 x i32> zeroinitializer
%3 = freeze <4 x i32> %2
%4 = insertelement <4 x i32> poison, i32 -1, i32 0
%5 = shufflevector <4 x i32> %4, <4 x i32> poison, <4 x i32> zeroinitializer
%6 = freeze <4 x i32> %5
%7 = add <4 x i32> %3, %6
ret <4 x i32> %7
}