53 lines
		
	
	
		
			1.2 KiB
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			53 lines
		
	
	
		
			1.2 KiB
		
	
	
	
		
			LLVM
		
	
	
	
; RUN: llc -march=hexagon < %s | FileCheck %s
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target triple = "hexagon"
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; Function Attrs: nounwind readnone
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define i32 @f0(i32 %a0) #0 {
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b0:
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; CHECK: cl0
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  %v0 = tail call i32 @llvm.ctlz.i32(i32 %a0, i1 true)
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  ret i32 %v0
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}
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; Function Attrs: nounwind readnone speculatable
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declare i32 @llvm.ctlz.i32(i32, i1) #1
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; Function Attrs: nounwind readnone speculatable
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declare i64 @llvm.ctlz.i64(i64, i1) #1
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; Function Attrs: nounwind readnone
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define i32 @f1(i32 %a0) #0 {
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b0:
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; CHECK: ct0
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  %v0 = tail call i32 @llvm.cttz.i32(i32 %a0, i1 true)
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  ret i32 %v0
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}
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; Function Attrs: nounwind readnone speculatable
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declare i32 @llvm.cttz.i32(i32, i1) #1
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; Function Attrs: nounwind readnone speculatable
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declare i64 @llvm.cttz.i64(i64, i1) #1
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; Function Attrs: nounwind readnone
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define i32 @f2(i64 %a0) #0 {
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b0:
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; CHECK: cl0
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  %v0 = tail call i64 @llvm.ctlz.i64(i64 %a0, i1 true)
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  %v1 = trunc i64 %v0 to i32
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  ret i32 %v1
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}
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; Function Attrs: nounwind readnone
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define i32 @f3(i64 %a0) #0 {
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b0:
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; CHECK: ct0
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  %v0 = tail call i64 @llvm.cttz.i64(i64 %a0, i1 true)
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  %v1 = trunc i64 %v0 to i32
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  ret i32 %v1
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}
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attributes #0 = { nounwind readnone }
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attributes #1 = { nounwind readnone speculatable }
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