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Apr 4, 2025
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[X86][NFC] Added POWI function testcases #134276

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8f9018b
[X86][NFC] Added POWI function testcases
JaydeepChauhan14 Apr 3, 2025
358c37b
Testcase name updated
JaydeepChauhan14 Apr 3, 2025
9b5f802
Added nounwind to powi-const.ll
JaydeepChauhan14 Apr 3, 2025
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233 changes: 233 additions & 0 deletions llvm/test/CodeGen/X86/powi-const.ll
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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=i686-unknown-unknown | FileCheck %s --check-prefix=X86-X87
; RUN: llc < %s -mtriple=i686-unknown-unknown -mattr=+sse2 | FileCheck %s --check-prefix=X86-SSE
; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+sse2 | FileCheck %s --check-prefix=X64

; Ideally this would compile to 5 multiplies.

define double @pow_wrapper(double %a) nounwind readonly ssp noredzone {
; X86-X87-LABEL: pow_wrapper:
; X86-X87: # %bb.0:
; X86-X87-NEXT: fldl {{[0-9]+}}(%esp)
; X86-X87-NEXT: fld %st(0)
; X86-X87-NEXT: fmul %st(1), %st
; X86-X87-NEXT: fmul %st, %st(1)
; X86-X87-NEXT: fmul %st, %st(0)
; X86-X87-NEXT: fmul %st, %st(1)
; X86-X87-NEXT: fmul %st, %st(0)
; X86-X87-NEXT: fmulp %st, %st(1)
; X86-X87-NEXT: retl
;
; X86-SSE-LABEL: pow_wrapper:
; X86-SSE: # %bb.0:
; X86-SSE-NEXT: pushl %ebp
; X86-SSE-NEXT: movl %esp, %ebp
; X86-SSE-NEXT: andl $-8, %esp
; X86-SSE-NEXT: subl $8, %esp
; X86-SSE-NEXT: movsd {{.*#+}} xmm0 = mem[0],zero
; X86-SSE-NEXT: movapd %xmm0, %xmm1
; X86-SSE-NEXT: mulsd %xmm0, %xmm1
; X86-SSE-NEXT: mulsd %xmm1, %xmm0
; X86-SSE-NEXT: mulsd %xmm1, %xmm1
; X86-SSE-NEXT: mulsd %xmm1, %xmm0
; X86-SSE-NEXT: mulsd %xmm1, %xmm1
; X86-SSE-NEXT: mulsd %xmm0, %xmm1
; X86-SSE-NEXT: movsd %xmm1, (%esp)
; X86-SSE-NEXT: fldl (%esp)
; X86-SSE-NEXT: movl %ebp, %esp
; X86-SSE-NEXT: popl %ebp
; X86-SSE-NEXT: retl
;
; X64-LABEL: pow_wrapper:
; X64: # %bb.0:
; X64-NEXT: movapd %xmm0, %xmm1
; X64-NEXT: mulsd %xmm0, %xmm1
; X64-NEXT: mulsd %xmm1, %xmm0
; X64-NEXT: mulsd %xmm1, %xmm1
; X64-NEXT: mulsd %xmm1, %xmm0
; X64-NEXT: mulsd %xmm1, %xmm1
; X64-NEXT: mulsd %xmm1, %xmm0
; X64-NEXT: retq
%ret = tail call double @llvm.powi.f64.i32(double %a, i32 15) nounwind ; <double> [#uses=1]
ret double %ret
}

define double @pow_wrapper_optsize(double %a) nounwind optsize {
; X86-X87-LABEL: pow_wrapper_optsize:
; X86-X87: # %bb.0:
; X86-X87-NEXT: subl $12, %esp
; X86-X87-NEXT: fldl {{[0-9]+}}(%esp)
; X86-X87-NEXT: fstpl (%esp)
; X86-X87-NEXT: movl $15, {{[0-9]+}}(%esp)
; X86-X87-NEXT: calll __powidf2
; X86-X87-NEXT: addl $12, %esp
; X86-X87-NEXT: retl
;
; X86-SSE-LABEL: pow_wrapper_optsize:
; X86-SSE: # %bb.0:
; X86-SSE-NEXT: subl $12, %esp
; X86-SSE-NEXT: movsd {{.*#+}} xmm0 = mem[0],zero
; X86-SSE-NEXT: movsd %xmm0, (%esp)
; X86-SSE-NEXT: movl $15, {{[0-9]+}}(%esp)
; X86-SSE-NEXT: calll __powidf2
; X86-SSE-NEXT: addl $12, %esp
; X86-SSE-NEXT: retl
;
; X64-LABEL: pow_wrapper_optsize:
; X64: # %bb.0:
; X64-NEXT: movl $15, %edi
; X64-NEXT: jmp __powidf2@PLT # TAILCALL
%ret = tail call double @llvm.powi.f64.i32(double %a, i32 15) nounwind ; <double> [#uses=1]
ret double %ret
}

define double @pow_wrapper_pgso(double %a) nounwind !prof !14 {
; X86-X87-LABEL: pow_wrapper_pgso:
; X86-X87: # %bb.0:
; X86-X87-NEXT: subl $12, %esp
; X86-X87-NEXT: fldl {{[0-9]+}}(%esp)
; X86-X87-NEXT: fstpl (%esp)
; X86-X87-NEXT: movl $15, {{[0-9]+}}(%esp)
; X86-X87-NEXT: calll __powidf2
; X86-X87-NEXT: addl $12, %esp
; X86-X87-NEXT: retl
;
; X86-SSE-LABEL: pow_wrapper_pgso:
; X86-SSE: # %bb.0:
; X86-SSE-NEXT: subl $12, %esp
; X86-SSE-NEXT: movsd {{.*#+}} xmm0 = mem[0],zero
; X86-SSE-NEXT: movsd %xmm0, (%esp)
; X86-SSE-NEXT: movl $15, {{[0-9]+}}(%esp)
; X86-SSE-NEXT: calll __powidf2
; X86-SSE-NEXT: addl $12, %esp
; X86-SSE-NEXT: retl
;
; X64-LABEL: pow_wrapper_pgso:
; X64: # %bb.0:
; X64-NEXT: movl $15, %edi
; X64-NEXT: jmp __powidf2@PLT # TAILCALL
%ret = tail call double @llvm.powi.f64.i32(double %a, i32 15) nounwind ; <double> [#uses=1]
ret double %ret
}

define double @pow_wrapper_minsize(double %a) nounwind minsize {
; X86-X87-LABEL: pow_wrapper_minsize:
; X86-X87: # %bb.0:
; X86-X87-NEXT: subl $12, %esp
; X86-X87-NEXT: fldl {{[0-9]+}}(%esp)
; X86-X87-NEXT: fstpl (%esp)
; X86-X87-NEXT: movl $15, {{[0-9]+}}(%esp)
; X86-X87-NEXT: calll __powidf2
; X86-X87-NEXT: addl $12, %esp
; X86-X87-NEXT: retl
;
; X86-SSE-LABEL: pow_wrapper_minsize:
; X86-SSE: # %bb.0:
; X86-SSE-NEXT: subl $12, %esp
; X86-SSE-NEXT: movsd {{.*#+}} xmm0 = mem[0],zero
; X86-SSE-NEXT: movsd %xmm0, (%esp)
; X86-SSE-NEXT: movl $15, {{[0-9]+}}(%esp)
; X86-SSE-NEXT: calll __powidf2
; X86-SSE-NEXT: addl $12, %esp
; X86-SSE-NEXT: retl
;
; X64-LABEL: pow_wrapper_minsize:
; X64: # %bb.0:
; X64-NEXT: pushq $15
; X64-NEXT: popq %rdi
; X64-NEXT: jmp __powidf2@PLT # TAILCALL
%ret = tail call double @llvm.powi.f64.i32(double %a, i32 15) nounwind ; <double> [#uses=1]
ret double %ret
}

define <2 x float> @powi_v2f32(<2 x float> %a) nounwind minsize {
; X86-X87-LABEL: powi_v2f32:
; X86-X87: # %bb.0:
; X86-X87-NEXT: pushl %esi
; X86-X87-NEXT: subl $16, %esp
; X86-X87-NEXT: flds {{[0-9]+}}(%esp)
; X86-X87-NEXT: fstps {{[-0-9]+}}(%e{{[sb]}}p) # 4-byte Folded Spill
; X86-X87-NEXT: flds {{[0-9]+}}(%esp)
; X86-X87-NEXT: pushl $15
; X86-X87-NEXT: popl %esi
; X86-X87-NEXT: movl %esi, {{[0-9]+}}(%esp)
; X86-X87-NEXT: fstps (%esp)
; X86-X87-NEXT: calll __powisf2
; X86-X87-NEXT: fstps {{[-0-9]+}}(%e{{[sb]}}p) # 4-byte Folded Spill
; X86-X87-NEXT: movl %esi, {{[0-9]+}}(%esp)
; X86-X87-NEXT: flds {{[-0-9]+}}(%e{{[sb]}}p) # 4-byte Folded Reload
; X86-X87-NEXT: fstps (%esp)
; X86-X87-NEXT: calll __powisf2
; X86-X87-NEXT: flds {{[-0-9]+}}(%e{{[sb]}}p) # 4-byte Folded Reload
; X86-X87-NEXT: fxch %st(1)
; X86-X87-NEXT: addl $16, %esp
; X86-X87-NEXT: popl %esi
; X86-X87-NEXT: retl
;
; X86-SSE-LABEL: powi_v2f32:
; X86-SSE: # %bb.0:
; X86-SSE-NEXT: pushl %esi
; X86-SSE-NEXT: subl $32, %esp
; X86-SSE-NEXT: movups %xmm0, {{[-0-9]+}}(%e{{[sb]}}p) # 16-byte Spill
; X86-SSE-NEXT: pushl $15
; X86-SSE-NEXT: popl %esi
; X86-SSE-NEXT: movl %esi, {{[0-9]+}}(%esp)
; X86-SSE-NEXT: movss %xmm0, (%esp)
; X86-SSE-NEXT: calll __powisf2
; X86-SSE-NEXT: movl %esi, {{[0-9]+}}(%esp)
; X86-SSE-NEXT: movups {{[-0-9]+}}(%e{{[sb]}}p), %xmm0 # 16-byte Reload
; X86-SSE-NEXT: shufps {{.*#+}} xmm0 = xmm0[1,1,1,1]
; X86-SSE-NEXT: movss %xmm0, (%esp)
; X86-SSE-NEXT: fstps {{[0-9]+}}(%esp)
; X86-SSE-NEXT: calll __powisf2
; X86-SSE-NEXT: fstps {{[0-9]+}}(%esp)
; X86-SSE-NEXT: movss {{.*#+}} xmm0 = mem[0],zero,zero,zero
; X86-SSE-NEXT: movss {{.*#+}} xmm1 = mem[0],zero,zero,zero
; X86-SSE-NEXT: unpcklps {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[1],xmm1[1]
; X86-SSE-NEXT: addl $32, %esp
; X86-SSE-NEXT: popl %esi
; X86-SSE-NEXT: retl
;
; X64-LABEL: powi_v2f32:
; X64: # %bb.0:
; X64-NEXT: pushq %rbx
; X64-NEXT: subq $32, %rsp
; X64-NEXT: movaps %xmm0, (%rsp) # 16-byte Spill
; X64-NEXT: pushq $15
; X64-NEXT: popq %rbx
; X64-NEXT: movl %ebx, %edi
; X64-NEXT: callq __powisf2@PLT
; X64-NEXT: movaps %xmm0, {{[-0-9]+}}(%r{{[sb]}}p) # 16-byte Spill
; X64-NEXT: movaps (%rsp), %xmm0 # 16-byte Reload
; X64-NEXT: shufps {{.*#+}} xmm0 = xmm0[1,1,1,1]
; X64-NEXT: movl %ebx, %edi
; X64-NEXT: callq __powisf2@PLT
; X64-NEXT: movaps {{[-0-9]+}}(%r{{[sb]}}p), %xmm1 # 16-byte Reload
; X64-NEXT: unpcklps {{.*#+}} xmm1 = xmm1[0],xmm0[0],xmm1[1],xmm0[1]
; X64-NEXT: movaps %xmm1, %xmm0
; X64-NEXT: addq $32, %rsp
; X64-NEXT: popq %rbx
; X64-NEXT: retq
%ret = tail call < 2 x float> @llvm.powi.v2f32.i32(<2 x float> %a, i32 15) nounwind ;
ret <2 x float> %ret
}

declare double @llvm.powi.f64.i32(double, i32) nounwind readonly
declare < 2 x float> @llvm.powi.v2f32.i32(<2 x float>, i32) nounwind readonly

!llvm.module.flags = !{!0}
!0 = !{i32 1, !"ProfileSummary", !1}
!1 = !{!2, !3, !4, !5, !6, !7, !8, !9}
!2 = !{!"ProfileFormat", !"InstrProf"}
!3 = !{!"TotalCount", i64 10000}
!4 = !{!"MaxCount", i64 10}
!5 = !{!"MaxInternalCount", i64 1}
!6 = !{!"MaxFunctionCount", i64 1000}
!7 = !{!"NumCounts", i64 3}
!8 = !{!"NumFunctions", i64 3}
!9 = !{!"DetailedSummary", !10}
!10 = !{!11, !12, !13}
!11 = !{i32 10000, i64 100, i32 1}
!12 = !{i32 999000, i64 100, i32 1}
!13 = !{i32 999999, i64 1, i32 2}
!14 = !{!"function_entry_count", i64 0}
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