forked from OSchip/llvm-project
				
			
		
			
				
	
	
		
			166 lines
		
	
	
		
			3.6 KiB
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			166 lines
		
	
	
		
			3.6 KiB
		
	
	
	
		
			LLVM
		
	
	
	
| ; RUN: llc < %s -mtriple=x86_64-apple-darwin10 -show-mc-encoding | FileCheck %s
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| 
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| define i32 @test1(i32 %X, i32* %y) nounwind {
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| 	%tmp = load i32* %y		; <i32> [#uses=1]
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| 	%tmp.upgrd.1 = icmp eq i32 %tmp, 0		; <i1> [#uses=1]
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| 	br i1 %tmp.upgrd.1, label %ReturnBlock, label %cond_true
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| 
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| cond_true:		; preds = %0
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| 	ret i32 1
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| 
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| ReturnBlock:		; preds = %0
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| 	ret i32 0
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| ; CHECK-LABEL: test1:
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| ; CHECK: cmpl	$0, (%rsi)
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| }
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| 
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| define i32 @test2(i32 %X, i32* %y) nounwind {
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| 	%tmp = load i32* %y		; <i32> [#uses=1]
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| 	%tmp1 = shl i32 %tmp, 3		; <i32> [#uses=1]
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| 	%tmp1.upgrd.2 = icmp eq i32 %tmp1, 0		; <i1> [#uses=1]
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| 	br i1 %tmp1.upgrd.2, label %ReturnBlock, label %cond_true
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| 
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| cond_true:		; preds = %0
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| 	ret i32 1
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| 
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| ReturnBlock:		; preds = %0
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| 	ret i32 0
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| ; CHECK-LABEL: test2:
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| ; CHECK: movl	(%rsi), %eax
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| ; CHECK: shll	$3, %eax
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| ; CHECK: testl	%eax, %eax
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| }
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| 
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| define i64 @test3(i64 %x) nounwind {
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|   %t = icmp eq i64 %x, 0
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|   %r = zext i1 %t to i64
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|   ret i64 %r
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| ; CHECK-LABEL: test3:
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| ; CHECK: 	testq	%rdi, %rdi
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| ; CHECK: 	sete	%al
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| ; CHECK: 	movzbl	%al, %eax
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| ; CHECK: 	ret
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| }
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| 
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| define i64 @test4(i64 %x) nounwind {
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|   %t = icmp slt i64 %x, 1
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|   %r = zext i1 %t to i64
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|   ret i64 %r
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| ; CHECK-LABEL: test4:
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| ; CHECK: 	testq	%rdi, %rdi
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| ; CHECK: 	setle	%al
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| ; CHECK: 	movzbl	%al, %eax
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| ; CHECK: 	ret
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| }
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| 
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| 
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| define i32 @test5(double %A) nounwind  {
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|  entry:
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|  %tmp2 = fcmp ogt double %A, 1.500000e+02; <i1> [#uses=1]
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|  %tmp5 = fcmp ult double %A, 7.500000e+01; <i1> [#uses=1]
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|  %bothcond = or i1 %tmp2, %tmp5; <i1> [#uses=1]
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|  br i1 %bothcond, label %bb8, label %bb12
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| 
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|  bb8:; preds = %entry
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|  %tmp9 = tail call i32 (...)* @foo( ) nounwind ; <i32> [#uses=1]
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|  ret i32 %tmp9
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| 
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|  bb12:; preds = %entry
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|  ret i32 32
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| ; CHECK-LABEL: test5:
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| ; CHECK: ucomisd	LCPI4_0(%rip), %xmm0
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| ; CHECK: ucomisd	LCPI4_1(%rip), %xmm0
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| }
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| 
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| declare i32 @foo(...)
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| 
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| define i32 @test6() nounwind align 2 {
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|   %A = alloca {i64, i64}, align 8
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|   %B = getelementptr inbounds {i64, i64}* %A, i64 0, i32 1
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|   %C = load i64* %B
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|   %D = icmp eq i64 %C, 0
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|   br i1 %D, label %T, label %F
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| T:
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|   ret i32 1
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|   
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| F:
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|   ret i32 0
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| ; CHECK-LABEL: test6:
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| ; CHECK: cmpq	$0, -8(%rsp)
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| ; CHECK: encoding: [0x48,0x83,0x7c,0x24,0xf8,0x00]
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| }
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| 
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| ; rdar://11866926
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| define i32 @test7(i64 %res) nounwind {
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| entry:
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| ; CHECK-LABEL: test7:
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| ; CHECK-NOT: movabsq
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| ; CHECK: shrq $32, %rdi
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| ; CHECK: sete
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|   %lnot = icmp ult i64 %res, 4294967296
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|   %lnot.ext = zext i1 %lnot to i32
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|   ret i32 %lnot.ext
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| }
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| 
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| define i32 @test8(i64 %res) nounwind {
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| entry:
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| ; CHECK-LABEL: test8:
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| ; CHECK-NOT: movabsq
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| ; CHECK: shrq $32, %rdi
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| ; CHECK: cmpq $3, %rdi
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|   %lnot = icmp ult i64 %res, 12884901888
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|   %lnot.ext = zext i1 %lnot to i32
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|   ret i32 %lnot.ext
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| }
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| 
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| define i32 @test9(i64 %res) nounwind {
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| entry:
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| ; CHECK-LABEL: test9:
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| ; CHECK-NOT: movabsq
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| ; CHECK: shrq $33, %rdi
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| ; CHECK: sete
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|   %lnot = icmp ult i64 %res, 8589934592
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|   %lnot.ext = zext i1 %lnot to i32
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|   ret i32 %lnot.ext
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| }
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| 
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| define i32 @test10(i64 %res) nounwind {
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| entry:
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| ; CHECK-LABEL: test10:
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| ; CHECK-NOT: movabsq
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| ; CHECK: shrq $32, %rdi
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| ; CHECK: setne
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|   %lnot = icmp uge i64 %res, 4294967296
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|   %lnot.ext = zext i1 %lnot to i32
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|   ret i32 %lnot.ext
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| }
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| 
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| ; rdar://9758774
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| define i32 @test11(i64 %l) nounwind {
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| entry:
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| ; CHECK-LABEL: test11:
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| ; CHECK-NOT: movabsq
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| ; CHECK-NOT: andq
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| ; CHECK: shrq $47, %rdi
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| ; CHECK: cmpq $1, %rdi
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|   %shr.mask = and i64 %l, -140737488355328
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|   %cmp = icmp eq i64 %shr.mask, 140737488355328
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|   %conv = zext i1 %cmp to i32
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|   ret i32 %conv
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| }
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| 
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| define i32 @test12() uwtable ssp {
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| ; CHECK-LABEL: test12:
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| ; CHECK: testb
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|   %1 = call zeroext i1 @test12b()
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|   br i1 %1, label %2, label %3
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| 
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| ; <label>:2                                       ; preds = %0
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|   ret i32 1
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| 
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| ; <label>:3                                       ; preds = %0
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|   ret i32 2
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| }
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| 
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| declare zeroext i1 @test12b()
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