71 lines
		
	
	
		
			2.3 KiB
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			71 lines
		
	
	
		
			2.3 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 -mcpu=pentium4 | FileCheck %s
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@f1 = global float 1.000000e+00, align 4
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define zeroext i1 @_Z9test_log2v() {
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; CHECK-LABEL: _Z9test_log2v:
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; CHECK:       # %bb.0: # %entry
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; CHECK-NEXT:    pushl %eax
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; CHECK-NEXT:    .cfi_def_cfa_offset 8
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; CHECK-NEXT:    flds f1
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; CHECK-NEXT:    #APP
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; CHECK-NEXT:    fld1
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; CHECK-NEXT:    fxch %st(1)
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; CHECK-NEXT:    fyl2x
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; CHECK-NEXT:    #NO_APP
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; CHECK-NEXT:    fstps (%esp)
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; CHECK-NEXT:    xorps %xmm0, %xmm0
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; CHECK-NEXT:    cmpeqss (%esp), %xmm0
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; CHECK-NEXT:    movd %xmm0, %eax
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; CHECK-NEXT:    andl $1, %eax
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; CHECK-NEXT:    # kill: def $al killed $al killed $eax
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; CHECK-NEXT:    popl %ecx
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; CHECK-NEXT:    .cfi_def_cfa_offset 4
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; CHECK-NEXT:    retl
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entry:
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  %0 = load float, float* @f1, align 4
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  %1 = fpext float %0 to x86_fp80
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  %2 = tail call x86_fp80 asm "fld1; fxch; fyl2x", "={st},0,~{st(1)},~{dirflag},~{fpsr},~{flags}"(x86_fp80 %1)
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  %conv = fptrunc x86_fp80 %2 to float
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  %3 = fcmp oeq float %conv, 0.000000e+00
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  ret i1 %3
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}
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@fpi = external dso_local global float, align 4
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define zeroext i1 @_Z8test_cosv() {
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; CHECK-LABEL: _Z8test_cosv:
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; CHECK:       # %bb.0: # %entry
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; CHECK-NEXT:    subl $8, %esp
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; CHECK-NEXT:    .cfi_def_cfa_offset 12
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; CHECK-NEXT:    movss {{.*#+}} xmm0 = mem[0],zero,zero,zero
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; CHECK-NEXT:    movss {{.*#+}} xmm1 = mem[0],zero,zero,zero
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; CHECK-NEXT:    divss {{\.LCPI.*}}, %xmm0
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; CHECK-NEXT:    movss %xmm0, {{[0-9]+}}(%esp)
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; CHECK-NEXT:    flds {{[0-9]+}}(%esp)
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; CHECK-NEXT:    #APP
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; CHECK-NEXT:    fcos
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; CHECK-NEXT:    #NO_APP
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; CHECK-NEXT:    fstps (%esp)
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; CHECK-NEXT:    movss {{.*#+}} xmm0 = mem[0],zero,zero,zero
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; CHECK-NEXT:    ucomiss %xmm0, %xmm1
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; CHECK-NEXT:    setae %cl
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; CHECK-NEXT:    ucomiss {{\.LCPI.*}}, %xmm0
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; CHECK-NEXT:    setae %al
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; CHECK-NEXT:    andb %cl, %al
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; CHECK-NEXT:    addl $8, %esp
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; CHECK-NEXT:    .cfi_def_cfa_offset 4
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; CHECK-NEXT:    retl
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entry:
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  %0 = load float, float* @fpi, align 4
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  %div = fdiv float %0, 6.000000e+00
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  %1 = fpext float %div to x86_fp80
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  %2 = tail call x86_fp80 asm "fcos", "={st},0,~{dirflag},~{fpsr},~{flags}"(x86_fp80 %1)
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  %conv = fptrunc x86_fp80 %2 to float
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  %cmp = fcmp ole float %conv, 0x3FEBD70A40000000
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  %cmp1 = fcmp oge float %conv, 0x3FEB851EC0000000
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  %or.cond = and i1 %cmp, %cmp1
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  ret i1 %or.cond
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}
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