[X86][NFC] Moved/Updated FNEG testcases (#162269)

- Moved existing testcases from
```llvm/test/CodeGen/X86/fast-isel-fneg.ll``` to
```llvm/test/CodeGen/X86/isel-fneg.ll```.
- Added **x86_fp80** testcase and **GISEL** RUN lines as precommit
testcases for GISEL.
- Two i686 testcases are disabled because it is crashing in later passes
only for GISEL. It will resolve after adding **FNEG GISEL
implementation**, I will add that in next PR.
This commit is contained in:
JaydeepChauhan14
2025-10-10 15:44:10 +05:30
committed by GitHub
parent b52efa5f05
commit 86ab51935b
2 changed files with 208 additions and 101 deletions

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@@ -1,101 +0,0 @@
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -fast-isel -fast-isel-abort=3 -mtriple=x86_64-apple-darwin10 | FileCheck %s
; RUN: llc < %s -fast-isel -mtriple=i686-- -mattr=+sse2 | FileCheck --check-prefix=SSE2 %s
define double @fneg_f64(double %x) nounwind {
; CHECK-LABEL: fneg_f64:
; CHECK: ## %bb.0:
; CHECK-NEXT: movq %xmm0, %rax
; CHECK-NEXT: movabsq $-9223372036854775808, %rcx ## imm = 0x8000000000000000
; CHECK-NEXT: xorq %rax, %rcx
; CHECK-NEXT: movq %rcx, %xmm0
; CHECK-NEXT: retq
;
; SSE2-LABEL: fneg_f64:
; SSE2: # %bb.0:
; SSE2-NEXT: pushl %ebp
; SSE2-NEXT: movl %esp, %ebp
; SSE2-NEXT: andl $-8, %esp
; SSE2-NEXT: subl $8, %esp
; SSE2-NEXT: movsd {{.*#+}} xmm0 = mem[0],zero
; SSE2-NEXT: xorps {{\.?LCPI[0-9]+_[0-9]+}}, %xmm0
; SSE2-NEXT: movlps %xmm0, (%esp)
; SSE2-NEXT: fldl (%esp)
; SSE2-NEXT: movl %ebp, %esp
; SSE2-NEXT: popl %ebp
; SSE2-NEXT: retl
%y = fneg double %x
ret double %y
}
define float @fneg_f32(float %x) nounwind {
; CHECK-LABEL: fneg_f32:
; CHECK: ## %bb.0:
; CHECK-NEXT: movd %xmm0, %eax
; CHECK-NEXT: xorl $2147483648, %eax ## imm = 0x80000000
; CHECK-NEXT: movd %eax, %xmm0
; CHECK-NEXT: retq
;
; SSE2-LABEL: fneg_f32:
; SSE2: # %bb.0:
; SSE2-NEXT: pushl %eax
; SSE2-NEXT: movss {{.*#+}} xmm0 = mem[0],zero,zero,zero
; SSE2-NEXT: xorps {{\.?LCPI[0-9]+_[0-9]+}}, %xmm0
; SSE2-NEXT: movss %xmm0, (%esp)
; SSE2-NEXT: flds (%esp)
; SSE2-NEXT: popl %eax
; SSE2-NEXT: retl
%y = fneg float %x
ret float %y
}
define void @fneg_f64_mem(ptr %x, ptr %y) nounwind {
; CHECK-LABEL: fneg_f64_mem:
; CHECK: ## %bb.0:
; CHECK-NEXT: movq {{.*#+}} xmm0 = mem[0],zero
; CHECK-NEXT: movq %xmm0, %rax
; CHECK-NEXT: movabsq $-9223372036854775808, %rcx ## imm = 0x8000000000000000
; CHECK-NEXT: xorq %rax, %rcx
; CHECK-NEXT: movq %rcx, %xmm0
; CHECK-NEXT: movq %xmm0, (%rsi)
; CHECK-NEXT: retq
;
; SSE2-LABEL: fneg_f64_mem:
; SSE2: # %bb.0:
; SSE2-NEXT: movl {{[0-9]+}}(%esp), %eax
; SSE2-NEXT: movl {{[0-9]+}}(%esp), %ecx
; SSE2-NEXT: movsd {{.*#+}} xmm0 = mem[0],zero
; SSE2-NEXT: xorps {{\.?LCPI[0-9]+_[0-9]+}}, %xmm0
; SSE2-NEXT: movsd %xmm0, (%eax)
; SSE2-NEXT: retl
%a = load double, ptr %x
%b = fneg double %a
store double %b, ptr %y
ret void
}
define void @fneg_f32_mem(ptr %x, ptr %y) nounwind {
; CHECK-LABEL: fneg_f32_mem:
; CHECK: ## %bb.0:
; CHECK-NEXT: movd {{.*#+}} xmm0 = mem[0],zero,zero,zero
; CHECK-NEXT: movd %xmm0, %eax
; CHECK-NEXT: xorl $2147483648, %eax ## imm = 0x80000000
; CHECK-NEXT: movd %eax, %xmm0
; CHECK-NEXT: movd %xmm0, (%rsi)
; CHECK-NEXT: retq
;
; SSE2-LABEL: fneg_f32_mem:
; SSE2: # %bb.0:
; SSE2-NEXT: movl {{[0-9]+}}(%esp), %eax
; SSE2-NEXT: movl {{[0-9]+}}(%esp), %ecx
; SSE2-NEXT: movd {{.*#+}} xmm0 = mem[0],zero,zero,zero
; SSE2-NEXT: movd %xmm0, %ecx
; SSE2-NEXT: xorl $2147483648, %ecx # imm = 0x80000000
; SSE2-NEXT: movd %ecx, %xmm0
; SSE2-NEXT: movd %xmm0, (%eax)
; SSE2-NEXT: retl
%a = load float, ptr %x
%b = fneg float %a
store float %b, ptr %y
ret void
}

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@@ -0,0 +1,208 @@
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 6
; RUN: llc < %s -mtriple=i686-linux-gnu -fast-isel | FileCheck %s --check-prefixes=X86,FASTISEL-X86
; RUN: llc < %s -mtriple=i686-linux-gnu -global-isel=0 -fast-isel=0 | FileCheck %s --check-prefixes=X86,SDAG-X86
; DISABLED: llc < %s -mtriple=i686-linux-gnu -global-isel=1 -global-isel-abort=2 | FileCheck %s --check-prefixes=X86,GISEL-X86
; RUN: llc < %s -mtriple=i686-linux-gnu -fast-isel -mattr=+sse | FileCheck %s --check-prefixes=X86,SSE-X86,FASTISEL-SSE-X86
; RUN: llc < %s -mtriple=i686-linux-gnu -global-isel=0 -fast-isel=0 -mattr=+sse | FileCheck %s --check-prefixes=X86,SSE-X86,SDAG-SSE-X86
; DISABLED: llc < %s -mtriple=i686-linux-gnu -global-isel=1 -global-isel-abort=2 -mattr=+sse | FileCheck %s --check-prefixes=X86,SSE-X86,GISEL-SSE-X86
; RUN: llc < %s -mtriple=x86_64-linux-gnu -fast-isel -mattr=+sse | FileCheck %s --check-prefixes=X64,SSE-X64,FASTISEL-SSE-X64
; RUN: llc < %s -mtriple=x86_64-linux-gnu -global-isel=0 -fast-isel=0 -mattr=+sse | FileCheck %s --check-prefixes=X64,SSE-X64,SDAG-SSE-X64
; RUN: llc < %s -mtriple=x86_64-linux-gnu -global-isel=1 -global-isel-abort=2 -mattr=+sse | FileCheck %s --check-prefixes=X64,SSE-X64,GISEL-SSE-X64
define double @fneg_f64(double %x) nounwind {
; X86-LABEL: fneg_f64:
; X86: # %bb.0:
; X86-NEXT: fldl {{[0-9]+}}(%esp)
; X86-NEXT: fchs
; X86-NEXT: retl
;
; FASTISEL-SSE-X64-LABEL: fneg_f64:
; FASTISEL-SSE-X64: # %bb.0:
; FASTISEL-SSE-X64-NEXT: movq %xmm0, %rax
; FASTISEL-SSE-X64-NEXT: movabsq $-9223372036854775808, %rcx # imm = 0x8000000000000000
; FASTISEL-SSE-X64-NEXT: xorq %rax, %rcx
; FASTISEL-SSE-X64-NEXT: movq %rcx, %xmm0
; FASTISEL-SSE-X64-NEXT: retq
;
; SDAG-SSE-X64-LABEL: fneg_f64:
; SDAG-SSE-X64: # %bb.0:
; SDAG-SSE-X64-NEXT: xorps {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm0
; SDAG-SSE-X64-NEXT: retq
;
; GISEL-SSE-X64-LABEL: fneg_f64:
; GISEL-SSE-X64: # %bb.0:
; GISEL-SSE-X64-NEXT: movabsq $-9223372036854775808, %rax # imm = 0x8000000000000000
; GISEL-SSE-X64-NEXT: movq %xmm0, %rcx
; GISEL-SSE-X64-NEXT: xorq %rax, %rcx
; GISEL-SSE-X64-NEXT: movq %rcx, %xmm0
; GISEL-SSE-X64-NEXT: retq
%y = fneg double %x
ret double %y
}
define float @fneg_f32(float %x) nounwind {
; FASTISEL-X86-LABEL: fneg_f32:
; FASTISEL-X86: # %bb.0:
; FASTISEL-X86-NEXT: flds {{[0-9]+}}(%esp)
; FASTISEL-X86-NEXT: fchs
; FASTISEL-X86-NEXT: retl
;
; SDAG-X86-LABEL: fneg_f32:
; SDAG-X86: # %bb.0:
; SDAG-X86-NEXT: flds {{[0-9]+}}(%esp)
; SDAG-X86-NEXT: fchs
; SDAG-X86-NEXT: retl
;
; SSE-X86-LABEL: fneg_f32:
; SSE-X86: # %bb.0:
; SSE-X86-NEXT: pushl %eax
; SSE-X86-NEXT: movss {{.*#+}} xmm0 = mem[0],zero,zero,zero
; SSE-X86-NEXT: xorps {{\.?LCPI[0-9]+_[0-9]+}}, %xmm0
; SSE-X86-NEXT: movss %xmm0, (%esp)
; SSE-X86-NEXT: flds (%esp)
; SSE-X86-NEXT: popl %eax
; SSE-X86-NEXT: retl
;
; FASTISEL-SSE-X64-LABEL: fneg_f32:
; FASTISEL-SSE-X64: # %bb.0:
; FASTISEL-SSE-X64-NEXT: movd %xmm0, %eax
; FASTISEL-SSE-X64-NEXT: xorl $2147483648, %eax # imm = 0x80000000
; FASTISEL-SSE-X64-NEXT: movd %eax, %xmm0
; FASTISEL-SSE-X64-NEXT: retq
;
; SDAG-SSE-X64-LABEL: fneg_f32:
; SDAG-SSE-X64: # %bb.0:
; SDAG-SSE-X64-NEXT: xorps {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm0
; SDAG-SSE-X64-NEXT: retq
;
; GISEL-SSE-X64-LABEL: fneg_f32:
; GISEL-SSE-X64: # %bb.0:
; GISEL-SSE-X64-NEXT: movd %xmm0, %eax
; GISEL-SSE-X64-NEXT: addl $-2147483648, %eax # imm = 0x80000000
; GISEL-SSE-X64-NEXT: movd %eax, %xmm0
; GISEL-SSE-X64-NEXT: retq
%y = fneg float %x
ret float %y
}
define void @fneg_f64_mem(ptr %x, ptr %y) nounwind {
; X86-LABEL: fneg_f64_mem:
; X86: # %bb.0:
; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
; X86-NEXT: fldl (%ecx)
; X86-NEXT: fchs
; X86-NEXT: fstpl (%eax)
; X86-NEXT: retl
;
; FASTISEL-SSE-X64-LABEL: fneg_f64_mem:
; FASTISEL-SSE-X64: # %bb.0:
; FASTISEL-SSE-X64-NEXT: movq {{.*#+}} xmm0 = mem[0],zero
; FASTISEL-SSE-X64-NEXT: movq %xmm0, %rax
; FASTISEL-SSE-X64-NEXT: movabsq $-9223372036854775808, %rcx # imm = 0x8000000000000000
; FASTISEL-SSE-X64-NEXT: xorq %rax, %rcx
; FASTISEL-SSE-X64-NEXT: movq %rcx, %xmm0
; FASTISEL-SSE-X64-NEXT: movq %xmm0, (%rsi)
; FASTISEL-SSE-X64-NEXT: retq
;
; SDAG-SSE-X64-LABEL: fneg_f64_mem:
; SDAG-SSE-X64: # %bb.0:
; SDAG-SSE-X64-NEXT: movabsq $-9223372036854775808, %rax # imm = 0x8000000000000000
; SDAG-SSE-X64-NEXT: xorq (%rdi), %rax
; SDAG-SSE-X64-NEXT: movq %rax, (%rsi)
; SDAG-SSE-X64-NEXT: retq
;
; GISEL-SSE-X64-LABEL: fneg_f64_mem:
; GISEL-SSE-X64: # %bb.0:
; GISEL-SSE-X64-NEXT: movabsq $-9223372036854775808, %rax # imm = 0x8000000000000000
; GISEL-SSE-X64-NEXT: xorq (%rdi), %rax
; GISEL-SSE-X64-NEXT: movq %rax, (%rsi)
; GISEL-SSE-X64-NEXT: retq
%a = load double, ptr %x
%b = fneg double %a
store double %b, ptr %y
ret void
}
define void @fneg_f32_mem(ptr %x, ptr %y) nounwind {
; FASTISEL-X86-LABEL: fneg_f32_mem:
; FASTISEL-X86: # %bb.0:
; FASTISEL-X86-NEXT: movl {{[0-9]+}}(%esp), %eax
; FASTISEL-X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
; FASTISEL-X86-NEXT: movl $-2147483648, %edx # imm = 0x80000000
; FASTISEL-X86-NEXT: xorl (%ecx), %edx
; FASTISEL-X86-NEXT: movl %edx, (%eax)
; FASTISEL-X86-NEXT: retl
;
; SDAG-X86-LABEL: fneg_f32_mem:
; SDAG-X86: # %bb.0:
; SDAG-X86-NEXT: movl {{[0-9]+}}(%esp), %eax
; SDAG-X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
; SDAG-X86-NEXT: movl $-2147483648, %edx # imm = 0x80000000
; SDAG-X86-NEXT: xorl (%ecx), %edx
; SDAG-X86-NEXT: movl %edx, (%eax)
; SDAG-X86-NEXT: retl
;
; FASTISEL-SSE-X86-LABEL: fneg_f32_mem:
; FASTISEL-SSE-X86: # %bb.0:
; FASTISEL-SSE-X86-NEXT: movl {{[0-9]+}}(%esp), %eax
; FASTISEL-SSE-X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
; FASTISEL-SSE-X86-NEXT: movss {{.*#+}} xmm0 = mem[0],zero,zero,zero
; FASTISEL-SSE-X86-NEXT: xorps {{\.?LCPI[0-9]+_[0-9]+}}, %xmm0
; FASTISEL-SSE-X86-NEXT: movss %xmm0, (%eax)
; FASTISEL-SSE-X86-NEXT: retl
;
; SDAG-SSE-X86-LABEL: fneg_f32_mem:
; SDAG-SSE-X86: # %bb.0:
; SDAG-SSE-X86-NEXT: movl {{[0-9]+}}(%esp), %eax
; SDAG-SSE-X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
; SDAG-SSE-X86-NEXT: movl $-2147483648, %edx # imm = 0x80000000
; SDAG-SSE-X86-NEXT: xorl (%ecx), %edx
; SDAG-SSE-X86-NEXT: movl %edx, (%eax)
; SDAG-SSE-X86-NEXT: retl
;
; FASTISEL-SSE-X64-LABEL: fneg_f32_mem:
; FASTISEL-SSE-X64: # %bb.0:
; FASTISEL-SSE-X64-NEXT: movd {{.*#+}} xmm0 = mem[0],zero,zero,zero
; FASTISEL-SSE-X64-NEXT: movd %xmm0, %eax
; FASTISEL-SSE-X64-NEXT: xorl $2147483648, %eax # imm = 0x80000000
; FASTISEL-SSE-X64-NEXT: movd %eax, %xmm0
; FASTISEL-SSE-X64-NEXT: movd %xmm0, (%rsi)
; FASTISEL-SSE-X64-NEXT: retq
;
; SDAG-SSE-X64-LABEL: fneg_f32_mem:
; SDAG-SSE-X64: # %bb.0:
; SDAG-SSE-X64-NEXT: movl $-2147483648, %eax # imm = 0x80000000
; SDAG-SSE-X64-NEXT: xorl (%rdi), %eax
; SDAG-SSE-X64-NEXT: movl %eax, (%rsi)
; SDAG-SSE-X64-NEXT: retq
;
; GISEL-SSE-X64-LABEL: fneg_f32_mem:
; GISEL-SSE-X64: # %bb.0:
; GISEL-SSE-X64-NEXT: movl $-2147483648, %eax # imm = 0x80000000
; GISEL-SSE-X64-NEXT: xorl (%rdi), %eax
; GISEL-SSE-X64-NEXT: movl %eax, (%rsi)
; GISEL-SSE-X64-NEXT: retq
%a = load float, ptr %x
%b = fneg float %a
store float %b, ptr %y
ret void
}
define x86_fp80 @test_fp80(x86_fp80 %a) nounwind {
; X86-LABEL: test_fp80:
; X86: # %bb.0:
; X86-NEXT: fldt {{[0-9]+}}(%esp)
; X86-NEXT: fchs
; X86-NEXT: retl
;
; X64-LABEL: test_fp80:
; X64: # %bb.0:
; X64-NEXT: fldt {{[0-9]+}}(%rsp)
; X64-NEXT: fchs
; X64-NEXT: retq
%1 = fneg x86_fp80 %a
ret x86_fp80 %1
}
;; NOTE: These prefixes are unused and the list is autogenerated. Do not add tests below this line:
; SSE-X64: {{.*}}