360 lines
		
	
	
		
			7.9 KiB
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			360 lines
		
	
	
		
			7.9 KiB
		
	
	
	
		
			LLVM
		
	
	
	
| ; RUN: llc < %s -mtriple=x86_64-apple-darwin10 -mcpu=generic | FileCheck %s
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| ; RUN: llc < %s -mtriple=x86_64-apple-darwin10 -mcpu=atom | FileCheck -check-prefix=ATOM %s
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| ; PR5757
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| 
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| %0 = type { i64, i32 }
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| 
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| define i32 @test1(%0* %p, %0* %q, i1 %r) nounwind {
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|   %t0 = load %0* %p
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|   %t1 = load %0* %q
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|   %t4 = select i1 %r, %0 %t0, %0 %t1
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|   %t5 = extractvalue %0 %t4, 1
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|   ret i32 %t5
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| ; CHECK: test1:
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| ; CHECK: cmovneq %rdi, %rsi
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| ; CHECK: movl (%rsi), %eax
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| 
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| ; ATOM: test1:
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| ; ATOM: cmovneq %rdi, %rsi
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| ; ATOM: movl (%rsi), %eax
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| }
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| 
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| 
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| ; PR2139
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| define i32 @test2() nounwind {
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| entry:
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| 	%tmp73 = tail call i1 @return_false()		; <i8> [#uses=1]
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| 	%g.0 = select i1 %tmp73, i16 0, i16 -480		; <i16> [#uses=2]
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| 	%tmp7778 = sext i16 %g.0 to i32		; <i32> [#uses=1]
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| 	%tmp80 = shl i32 %tmp7778, 3		; <i32> [#uses=2]
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| 	%tmp87 = icmp sgt i32 %tmp80, 32767		; <i1> [#uses=1]
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| 	br i1 %tmp87, label %bb90, label %bb91
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| bb90:		; preds = %bb84, %bb72
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| 	unreachable
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| bb91:		; preds = %bb84
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| 	ret i32 0
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| ; CHECK: test2:
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| ; CHECK: movnew
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| ; CHECK: movswl
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| 
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| ; ATOM: test2:
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| ; ATOM: movnew
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| ; ATOM: movswl
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| }
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| 
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| declare i1 @return_false()
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| 
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| 
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| ;; Select between two floating point constants.
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| define float @test3(i32 %x) nounwind readnone {
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| entry:
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| 	%0 = icmp eq i32 %x, 0		; <i1> [#uses=1]
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| 	%iftmp.0.0 = select i1 %0, float 4.200000e+01, float 2.300000e+01		; <float> [#uses=1]
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| 	ret float %iftmp.0.0
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| ; CHECK: test3:
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| ; CHECK: movss	{{.*}},4), %xmm0
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| 
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| ; ATOM: test3:
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| ; ATOM: movss  {{.*}},4), %xmm0
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| }
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| 
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| define signext i8 @test4(i8* nocapture %P, double %F) nounwind readonly {
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| entry:
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| 	%0 = fcmp olt double %F, 4.200000e+01		; <i1> [#uses=1]
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| 	%iftmp.0.0 = select i1 %0, i32 4, i32 0		; <i32> [#uses=1]
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| 	%1 = getelementptr i8* %P, i32 %iftmp.0.0		; <i8*> [#uses=1]
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| 	%2 = load i8* %1, align 1		; <i8> [#uses=1]
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| 	ret i8 %2
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| ; CHECK: test4:
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| ; CHECK: movsbl	({{.*}},4), %eax
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| 
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| ; ATOM: test4:
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| ; ATOM: movsbl ({{.*}},4), %eax
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| }
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| 
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| define void @test5(i1 %c, <2 x i16> %a, <2 x i16> %b, <2 x i16>* %p) nounwind {
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|   %x = select i1 %c, <2 x i16> %a, <2 x i16> %b
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|   store <2 x i16> %x, <2 x i16>* %p
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|   ret void
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| ; CHECK: test5:
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| 
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| ; ATOM: test5:
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| }
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| 
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| define void @test6(i32 %C, <4 x float>* %A, <4 x float>* %B) nounwind {
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|         %tmp = load <4 x float>* %A             ; <<4 x float>> [#uses=1]
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|         %tmp3 = load <4 x float>* %B            ; <<4 x float>> [#uses=2]
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|         %tmp9 = fmul <4 x float> %tmp3, %tmp3            ; <<4 x float>> [#uses=1]
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|         %tmp.upgrd.1 = icmp eq i32 %C, 0                ; <i1> [#uses=1]
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|         %iftmp.38.0 = select i1 %tmp.upgrd.1, <4 x float> %tmp9, <4 x float> %tmp               ; <<4 x float>> [#uses=1]
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|         store <4 x float> %iftmp.38.0, <4 x float>* %A
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|         ret void
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| ; Verify that the fmul gets sunk into the one part of the diamond where it is
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| ; needed.
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| ; CHECK: test6:
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| ; CHECK: je
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| ; CHECK: ret
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| ; CHECK: mulps
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| ; CHECK: ret
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| 
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| ; ATOM: test6:
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| ; ATOM: je
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| ; ATOM: ret
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| ; ATOM: mulps
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| ; ATOM: ret
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| }
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| 
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| ; Select with fp80's
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| define x86_fp80 @test7(i32 %tmp8) nounwind {
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|         %tmp9 = icmp sgt i32 %tmp8, -1          ; <i1> [#uses=1]
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|         %retval = select i1 %tmp9, x86_fp80 0xK4005B400000000000000, x86_fp80 0xK40078700000000000000
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|         ret x86_fp80 %retval
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| ; CHECK: test7:
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| ; CHECK: leaq
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| ; CHECK: fldt (%r{{.}}x,%r{{.}}x)
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| 
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| ; ATOM: test7:
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| ; ATOM: leaq
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| ; ATOM: fldt (%r{{.}}x,%r{{.}}x)
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| }
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| 
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| ; widening select v6i32 and then a sub
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| define void @test8(i1 %c, <6 x i32>* %dst.addr, <6 x i32> %src1,<6 x i32> %src2) nounwind {
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| 	%x = select i1 %c, <6 x i32> %src1, <6 x i32> %src2
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| 	%val = sub <6 x i32> %x, < i32 1, i32 1, i32 1, i32 1, i32 1, i32 1 >
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| 	store <6 x i32> %val, <6 x i32>* %dst.addr
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| 	ret void
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| 
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| ; CHECK: test8:
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| 
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| ; ATOM: test8:
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| }
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| 
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| 
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| ;; Test integer select between values and constants.
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| 
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| define i64 @test9(i64 %x, i64 %y) nounwind readnone ssp noredzone {
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|   %cmp = icmp ne i64 %x, 0
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|   %cond = select i1 %cmp, i64 %y, i64 -1
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|   ret i64 %cond
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| ; CHECK: test9:
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| ; CHECK: cmpq	$1, %rdi
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| ; CHECK: sbbq	%rax, %rax
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| ; CHECK: orq	%rsi, %rax
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| ; CHECK: ret
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| 
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| ; ATOM: test9:
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| ; ATOM: cmpq   $1, %rdi
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| ; ATOM: sbbq   %rax, %rax
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| ; ATOM: orq    %rsi, %rax
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| ; ATOM: ret
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| }
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| 
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| ;; Same as test9
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| define i64 @test9a(i64 %x, i64 %y) nounwind readnone ssp noredzone {
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|   %cmp = icmp eq i64 %x, 0
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|   %cond = select i1 %cmp, i64 -1, i64 %y
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|   ret i64 %cond
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| ; CHECK: test9a:
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| ; CHECK: cmpq	$1, %rdi
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| ; CHECK: sbbq	%rax, %rax
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| ; CHECK: orq	%rsi, %rax
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| ; CHECK: ret
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| 
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| ; ATOM: test9a:
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| ; ATOM: cmpq   $1, %rdi
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| ; ATOM: sbbq   %rax, %rax
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| ; ATOM: orq    %rsi, %rax
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| ; ATOM: ret
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| }
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| 
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| define i64 @test9b(i64 %x, i64 %y) nounwind readnone ssp noredzone {
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|   %cmp = icmp eq i64 %x, 0
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|   %A = sext i1 %cmp to i64
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|   %cond = or i64 %y, %A
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|   ret i64 %cond
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| ; CHECK: test9b:
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| ; CHECK: cmpq	$1, %rdi
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| ; CHECK: sbbq	%rax, %rax
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| ; CHECK: orq	%rsi, %rax
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| ; CHECK: ret
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| 
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| ; ATOM: test9b:
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| ; ATOM: cmpq   $1, %rdi
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| ; ATOM: sbbq   %rax, %rax
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| ; ATOM: orq    %rsi, %rax
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| ; ATOM: ret
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| }
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| 
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| ;; Select between -1 and 1.
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| define i64 @test10(i64 %x, i64 %y) nounwind readnone ssp noredzone {
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|   %cmp = icmp eq i64 %x, 0
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|   %cond = select i1 %cmp, i64 -1, i64 1
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|   ret i64 %cond
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| ; CHECK: test10:
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| ; CHECK: cmpq	$1, %rdi
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| ; CHECK: sbbq	%rax, %rax
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| ; CHECK: orq	$1, %rax
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| ; CHECK: ret
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| 
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| ; ATOM: test10:
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| ; ATOM: cmpq   $1, %rdi
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| ; ATOM: sbbq   %rax, %rax
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| ; ATOM: orq    $1, %rax
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| ; ATOM: ret
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| }
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| 
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| 
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| 
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| define i64 @test11(i64 %x, i64 %y) nounwind readnone ssp noredzone {
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|   %cmp = icmp eq i64 %x, 0
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|   %cond = select i1 %cmp, i64 %y, i64 -1
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|   ret i64 %cond
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| ; CHECK: test11:
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| ; CHECK: cmpq	$1, %rdi
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| ; CHECK: sbbq	%rax, %rax
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| ; CHECK: notq %rax
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| ; CHECK: orq	%rsi, %rax
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| ; CHECK: ret
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| 
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| ; ATOM: test11:
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| ; ATOM: cmpq   $1, %rdi
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| ; ATOM: sbbq   %rax, %rax
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| ; ATOM: notq %rax
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| ; ATOM: orq    %rsi, %rax
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| ; ATOM: ret
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| }
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| 
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| define i64 @test11a(i64 %x, i64 %y) nounwind readnone ssp noredzone {
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|   %cmp = icmp ne i64 %x, 0
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|   %cond = select i1 %cmp, i64 -1, i64 %y
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|   ret i64 %cond
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| ; CHECK: test11a:
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| ; CHECK: cmpq	$1, %rdi
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| ; CHECK: sbbq	%rax, %rax
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| ; CHECK: notq %rax
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| ; CHECK: orq	%rsi, %rax
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| ; CHECK: ret
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| 
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| ; ATOM: test11a:
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| ; ATOM: cmpq   $1, %rdi
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| ; ATOM: sbbq   %rax, %rax
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| ; ATOM: notq %rax
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| ; ATOM: orq    %rsi, %rax
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| ; ATOM: ret
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| }
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| 
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| 
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| declare noalias i8* @_Znam(i64) noredzone
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| 
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| define noalias i8* @test12(i64 %count) nounwind ssp noredzone {
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| entry:
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|   %A = tail call { i64, i1 } @llvm.umul.with.overflow.i64(i64 %count, i64 4)
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|   %B = extractvalue { i64, i1 } %A, 1
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|   %C = extractvalue { i64, i1 } %A, 0
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|   %D = select i1 %B, i64 -1, i64 %C
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|   %call = tail call noalias i8* @_Znam(i64 %D) nounwind noredzone
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|   ret i8* %call
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| ; CHECK: test12:
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| ; CHECK: movq $-1, %rdi
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| ; CHECK: mulq
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| ; CHECK: cmovnoq	%rax, %rdi
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| ; CHECK: jmp	__Znam
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| 
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| ; ATOM: test12:
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| ; ATOM: mulq
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| ; ATOM: movq $-1, %rdi
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| ; ATOM: cmovnoq        %rax, %rdi
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| ; ATOM: jmp    __Znam
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| }
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| 
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| declare { i64, i1 } @llvm.umul.with.overflow.i64(i64, i64) nounwind readnone
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| 
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| define i32 @test13(i32 %a, i32 %b) nounwind {
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|   %c = icmp ult i32 %a, %b
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|   %d = sext i1 %c to i32
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|   ret i32 %d
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| ; CHECK: test13:
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| ; CHECK: cmpl
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| ; CHECK-NEXT: sbbl
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| ; CHECK-NEXT: ret
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| 
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| ; ATOM: test13:
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| ; ATOM: cmpl
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| ; ATOM-NEXT: sbbl
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| ; ATOM: ret
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| }
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| 
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| define i32 @test14(i32 %a, i32 %b) nounwind {
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|   %c = icmp uge i32 %a, %b
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|   %d = sext i1 %c to i32
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|   ret i32 %d
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| ; CHECK: test14:
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| ; CHECK: cmpl
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| ; CHECK-NEXT: sbbl
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| ; CHECK-NEXT: notl
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| ; CHECK-NEXT: ret
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| 
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| ; ATOM: test14:
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| ; ATOM: cmpl
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| ; ATOM-NEXT: sbbl
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| ; ATOM-NEXT: notl
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| ; ATOM: ret
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| }
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| 
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| ; rdar://10961709
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| define i32 @test15(i32 %x) nounwind {
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| entry:
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|   %cmp = icmp ne i32 %x, 0
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|   %sub = sext i1 %cmp to i32
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|   ret i32 %sub
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| ; CHECK: test15:
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| ; CHECK: negl
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| ; CHECK: sbbl
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| 
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| ; ATOM: test15:
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| ; ATOM: negl
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| ; ATOM: sbbl
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| }
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| 
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| define i64 @test16(i64 %x) nounwind uwtable readnone ssp {
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| entry:
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|   %cmp = icmp ne i64 %x, 0
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|   %conv1 = sext i1 %cmp to i64
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|   ret i64 %conv1
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| ; CHECK: test16:
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| ; CHECK: negq
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| ; CHECK: sbbq
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| 
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| ; ATOM: test16:
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| ; ATOM: negq
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| ; ATOM: sbbq
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| }
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| 
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| define i16 @test17(i16 %x) nounwind {
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| entry:
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|   %cmp = icmp ne i16 %x, 0
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|   %sub = sext i1 %cmp to i16
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|   ret i16 %sub
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| ; CHECK: test17:
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| ; CHECK: negw
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| ; CHECK: sbbw
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| 
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| ; ATOM: test17:
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| ; ATOM: negw
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| ; ATOM: sbbw
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| }
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| 
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| define i8 @test18(i32 %x, i8 zeroext %a, i8 zeroext %b) nounwind {
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|   %cmp = icmp slt i32 %x, 15
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|   %sel = select i1 %cmp, i8 %a, i8 %b
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|   ret i8 %sel
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| ; CHECK: test18:
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| ; CHECK: cmpl $15, %edi
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| ; CHECK: cmovgel %edx
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| 
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| ; ATOM: test18:
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| ; ATOM: cmpl $15, %edi
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| ; ATOM: cmovgel %edx
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| }
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