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[X86][GlobalIsel] add test for fabs isel #142558

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Merged
merged 4 commits into from
Jun 5, 2025
Merged

[X86][GlobalIsel] add test for fabs isel #142558

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a48e736
add test for fabs isel
Jun 3, 2025
b0403b7
fix line brk
Jun 3, 2025
f8ef361
fix line brk
Jun 3, 2025
aac9050
fix label
Jun 4, 2025
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21 changes: 21 additions & 0 deletions llvm/test/CodeGen/X86/isel-fabs-x87.ll
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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5
; RUN: llc < %s -mtriple=x86_64-- -mattr=+x87,-sse2,-sse | FileCheck %s --check-prefixes=X64
; RUN: llc < %s -mtriple=x86_64-- -mattr=+x87,-sse2,-sse -fast-isel -fast-isel-abort=1 | FileCheck %s --check-prefixes=X64
; RUN: llc < %s -mtriple=i686-- -mattr=+x87,-sse2,-sse | FileCheck %s --check-prefixes=X86
; RUN: llc < %s -mtriple=i686-- -mattr=+x87,-sse2,-sse -fast-isel -fast-isel-abort=1 | FileCheck %s --check-prefixes=X86

define x86_fp80 @test_x86_fp80_abs(x86_fp80 %arg) {
; X64-LABEL: test_x86_fp80_abs:
; X64: # %bb.0:
; X64-NEXT: fldt {{[0-9]+}}(%rsp)
; X64-NEXT: fabs
; X64-NEXT: retq
;
; X86-LABEL: test_x86_fp80_abs:
; X86: # %bb.0:
; X86-NEXT: fldt {{[0-9]+}}(%esp)
; X86-NEXT: fabs
; X86-NEXT: retl
%abs = tail call x86_fp80 @llvm.fabs.f80(x86_fp80 %arg)
ret x86_fp80 %abs
}
50 changes: 50 additions & 0 deletions llvm/test/CodeGen/X86/isel-fabs.ll
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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5
; RUN: llc < %s -mtriple=x86_64-- -mattr=-x87 | FileCheck %s --check-prefixes=X64
; RUN: llc < %s -mtriple=x86_64-- -mattr=-x87 -fast-isel -fast-isel-abort=1 | FileCheck %s --check-prefixes=X64
; RUN: llc < %s -mtriple=i686-- -mattr=-x87 | FileCheck %s --check-prefixes=X86
; RUN: llc < %s -mtriple=i686-- -mattr=-x87 -fast-isel -fast-isel-abort=1 | FileCheck %s --check-prefixes=FASTISEL-X86


define float @test_float_abs(float %arg) {
; X64-LABEL: test_float_abs:
; X64: # %bb.0:
; X64-NEXT: andps {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm0
; X64-NEXT: retq
;
; X86-LABEL: test_float_abs:
; X86: # %bb.0:
; X86-NEXT: movl $2147483647, %eax # imm = 0x7FFFFFFF
; X86-NEXT: andl {{[0-9]+}}(%esp), %eax
; X86-NEXT: retl
;
; FASTISEL-X86-LABEL: test_float_abs:
; FASTISEL-X86: # %bb.0:
; FASTISEL-X86-NEXT: movl {{[0-9]+}}(%esp), %eax
; FASTISEL-X86-NEXT: andl $2147483647, %eax # imm = 0x7FFFFFFF
; FASTISEL-X86-NEXT: retl
%abs = tail call float @llvm.fabs.f32(float %arg)
ret float %abs
}

define double @test_double_abs(double %arg) {
; X64-LABEL: test_double_abs:
; X64: # %bb.0:
; X64-NEXT: andps {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm0
; X64-NEXT: retq
;
; X86-LABEL: test_double_abs:
; X86: # %bb.0:
; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
; X86-NEXT: movl $2147483647, %edx # imm = 0x7FFFFFFF
; X86-NEXT: andl {{[0-9]+}}(%esp), %edx
; X86-NEXT: retl
;
; FASTISEL-X86-LABEL: test_double_abs:
; FASTISEL-X86: # %bb.0:
; FASTISEL-X86-NEXT: movl {{[0-9]+}}(%esp), %edx
; FASTISEL-X86-NEXT: movl {{[0-9]+}}(%esp), %eax
; FASTISEL-X86-NEXT: andl $2147483647, %edx # imm = 0x7FFFFFFF
; FASTISEL-X86-NEXT: retl
%abs = tail call double @llvm.fabs.f64(double %arg)
ret double %abs
}
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