forked from OSchip/llvm-project
127 lines
4.3 KiB
LLVM
127 lines
4.3 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc < %s -mtriple=i686-unknown-unknown | FileCheck %s --check-prefixes=CHECK,X86,X86-X87
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; RUN: llc < %s -mtriple=i686-unknown-unknown -mattr=+sse2 | FileCheck %s --check-prefixes=CHECK,X86,X86-SSE
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; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+sse2 | FileCheck %s --check-prefixes=CHECK,X64
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; Ideally this would compile to 5 multiplies.
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define double @pow_wrapper(double %a) nounwind readonly ssp noredzone {
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; X86-X87-LABEL: pow_wrapper:
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; X86-X87: # %bb.0:
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; X86-X87-NEXT: fldl {{[0-9]+}}(%esp)
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; X86-X87-NEXT: fld %st(0)
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; X86-X87-NEXT: fmul %st(1), %st
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; X86-X87-NEXT: fmul %st, %st(1)
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; X86-X87-NEXT: fmul %st, %st(0)
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; X86-X87-NEXT: fmul %st, %st(1)
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; X86-X87-NEXT: fmul %st, %st(0)
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; X86-X87-NEXT: fmulp %st, %st(1)
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; X86-X87-NEXT: retl
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;
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; X86-SSE-LABEL: pow_wrapper:
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; X86-SSE: # %bb.0:
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; X86-SSE-NEXT: pushl %ebp
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; X86-SSE-NEXT: movl %esp, %ebp
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; X86-SSE-NEXT: andl $-8, %esp
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; X86-SSE-NEXT: subl $8, %esp
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; X86-SSE-NEXT: movsd {{.*#+}} xmm0 = mem[0],zero
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; X86-SSE-NEXT: movapd %xmm0, %xmm1
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; X86-SSE-NEXT: mulsd %xmm0, %xmm1
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; X86-SSE-NEXT: mulsd %xmm1, %xmm0
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; X86-SSE-NEXT: mulsd %xmm1, %xmm1
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; X86-SSE-NEXT: mulsd %xmm1, %xmm0
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; X86-SSE-NEXT: mulsd %xmm1, %xmm1
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; X86-SSE-NEXT: mulsd %xmm0, %xmm1
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; X86-SSE-NEXT: movsd %xmm1, (%esp)
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; X86-SSE-NEXT: fldl (%esp)
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; X86-SSE-NEXT: movl %ebp, %esp
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; X86-SSE-NEXT: popl %ebp
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; X86-SSE-NEXT: retl
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;
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; X64-LABEL: pow_wrapper:
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; X64: # %bb.0:
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; X64-NEXT: movapd %xmm0, %xmm1
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; X64-NEXT: mulsd %xmm0, %xmm1
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; X64-NEXT: mulsd %xmm1, %xmm0
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; X64-NEXT: mulsd %xmm1, %xmm1
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; X64-NEXT: mulsd %xmm1, %xmm0
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; X64-NEXT: mulsd %xmm1, %xmm1
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; X64-NEXT: mulsd %xmm0, %xmm1
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; X64-NEXT: movapd %xmm1, %xmm0
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; X64-NEXT: retq
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%ret = tail call double @llvm.powi.f64(double %a, i32 15) nounwind ; <double> [#uses=1]
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ret double %ret
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}
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define double @pow_wrapper_optsize(double %a) optsize {
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; X86-X87-LABEL: pow_wrapper_optsize:
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; X86-X87: # %bb.0:
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; X86-X87-NEXT: subl $12, %esp
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; X86-X87-NEXT: .cfi_def_cfa_offset 16
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; X86-X87-NEXT: fldl {{[0-9]+}}(%esp)
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; X86-X87-NEXT: fstpl (%esp)
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; X86-X87-NEXT: movl $15, {{[0-9]+}}(%esp)
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; X86-X87-NEXT: calll __powidf2
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; X86-X87-NEXT: addl $12, %esp
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; X86-X87-NEXT: .cfi_def_cfa_offset 4
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; X86-X87-NEXT: retl
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;
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; X86-SSE-LABEL: pow_wrapper_optsize:
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; X86-SSE: # %bb.0:
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; X86-SSE-NEXT: subl $12, %esp
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; X86-SSE-NEXT: .cfi_def_cfa_offset 16
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; X86-SSE-NEXT: movsd {{.*#+}} xmm0 = mem[0],zero
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; X86-SSE-NEXT: movsd %xmm0, (%esp)
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; X86-SSE-NEXT: movl $15, {{[0-9]+}}(%esp)
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; X86-SSE-NEXT: calll __powidf2
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; X86-SSE-NEXT: addl $12, %esp
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; X86-SSE-NEXT: .cfi_def_cfa_offset 4
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; X86-SSE-NEXT: retl
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;
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; X64-LABEL: pow_wrapper_optsize:
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; X64: # %bb.0:
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; X64-NEXT: movl $15, %edi
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; X64-NEXT: jmp __powidf2 # TAILCALL
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%ret = tail call double @llvm.powi.f64(double %a, i32 15) nounwind ; <double> [#uses=1]
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ret double %ret
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}
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define double @pow_wrapper_minsize(double %a) minsize {
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; X86-X87-LABEL: pow_wrapper_minsize:
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; X86-X87: # %bb.0:
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; X86-X87-NEXT: subl $12, %esp
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; X86-X87-NEXT: .cfi_def_cfa_offset 16
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; X86-X87-NEXT: fldl {{[0-9]+}}(%esp)
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; X86-X87-NEXT: fstpl (%esp)
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; X86-X87-NEXT: movl $15, {{[0-9]+}}(%esp)
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; X86-X87-NEXT: calll __powidf2
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; X86-X87-NEXT: addl $12, %esp
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; X86-X87-NEXT: .cfi_def_cfa_offset 4
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; X86-X87-NEXT: retl
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;
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; X86-SSE-LABEL: pow_wrapper_minsize:
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; X86-SSE: # %bb.0:
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; X86-SSE-NEXT: subl $12, %esp
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; X86-SSE-NEXT: .cfi_def_cfa_offset 16
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; X86-SSE-NEXT: movsd {{.*#+}} xmm0 = mem[0],zero
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; X86-SSE-NEXT: movsd %xmm0, (%esp)
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; X86-SSE-NEXT: movl $15, {{[0-9]+}}(%esp)
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; X86-SSE-NEXT: calll __powidf2
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; X86-SSE-NEXT: addl $12, %esp
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; X86-SSE-NEXT: .cfi_def_cfa_offset 4
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; X86-SSE-NEXT: retl
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;
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; X64-LABEL: pow_wrapper_minsize:
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; X64: # %bb.0:
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; X64-NEXT: pushq $15
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; X64-NEXT: .cfi_adjust_cfa_offset 8
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; X64-NEXT: popq %rdi
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; X64-NEXT: .cfi_adjust_cfa_offset -8
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; X64-NEXT: jmp __powidf2 # TAILCALL
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%ret = tail call double @llvm.powi.f64(double %a, i32 15) nounwind ; <double> [#uses=1]
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ret double %ret
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}
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declare double @llvm.powi.f64(double, i32) nounwind readonly
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