47 lines
		
	
	
		
			1.8 KiB
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			47 lines
		
	
	
		
			1.8 KiB
		
	
	
	
		
			LLVM
		
	
	
	
; RUN: opt -simplify-libcalls-halfpowr %s -S | FileCheck %s
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define float @__half_powrf4(float %f, float %g) nounwind readnone {
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entry:
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	%0 = fcmp olt float %f, 2.000000e+00		; <i1> [#uses=1]
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	br i1 %0, label %bb, label %bb1
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bb:		; preds = %entry
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	%1 = fdiv float %f, 3.000000e+00		; <float> [#uses=1]
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	br label %bb1
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bb1:		; preds = %bb, %entry
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	%f_addr.0 = phi float [ %1, %bb ], [ %f, %entry ]		; <float> [#uses=1]
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	%2 = fmul float %f_addr.0, %g		; <float> [#uses=1]
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; CHECK: fmul float %f_addr
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; CHECK: fmul float %f_addr
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; CHECK: fmul float %f_addr
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; CHECK: fmul float %f_addr
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	ret float %2
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}
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define void @foo(float* %p) nounwind {
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entry:
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	%0 = load float* %p, align 4		; <float> [#uses=1]
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	%1 = getelementptr float* %p, i32 1		; <float*> [#uses=1]
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	%2 = load float* %1, align 4		; <float> [#uses=1]
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	%3 = getelementptr float* %p, i32 2		; <float*> [#uses=1]
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	%4 = load float* %3, align 4		; <float> [#uses=1]
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	%5 = getelementptr float* %p, i32 3		; <float*> [#uses=1]
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	%6 = load float* %5, align 4		; <float> [#uses=1]
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	%7 = getelementptr float* %p, i32 4		; <float*> [#uses=1]
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	%8 = load float* %7, align 4		; <float> [#uses=1]
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	%9 = getelementptr float* %p, i32 5		; <float*> [#uses=1]
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	%10 = load float* %9, align 4		; <float> [#uses=1]
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	%11 = tail call float @__half_powrf4(float %0, float %6) nounwind		; <float> [#uses=1]
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	%12 = tail call float @__half_powrf4(float %2, float %8) nounwind		; <float> [#uses=1]
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	%13 = tail call float @__half_powrf4(float %4, float %10) nounwind		; <float> [#uses=1]
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	%14 = getelementptr float* %p, i32 6		; <float*> [#uses=1]
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	store float %11, float* %14, align 4
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	%15 = getelementptr float* %p, i32 7		; <float*> [#uses=1]
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	store float %12, float* %15, align 4
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	%16 = getelementptr float* %p, i32 8		; <float*> [#uses=1]
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	store float %13, float* %16, align 4
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	ret void
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}
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