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	Fixes PR19964. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210371 91177308-0d34-0410-b5e6-96231b3b80d8
		
			
				
	
	
		
			214 lines
		
	
	
		
			4.7 KiB
		
	
	
	
		
			LLVM
		
	
	
	
	
	
			
		
		
	
	
			214 lines
		
	
	
		
			4.7 KiB
		
	
	
	
		
			LLVM
		
	
	
	
	
	
; RUN: llc < %s -mtriple=x86_64-apple-darwin10 -show-mc-encoding | FileCheck %s
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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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cond_true:		; preds = %0
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	ret i32 1
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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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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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cond_true:		; preds = %0
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	ret i32 1
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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: testl	$536870911, (%rsi)
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}
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define i8 @test2b(i8 %X, i8* %y) nounwind {
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	%tmp = load i8* %y		; <i8> [#uses=1]
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	%tmp1 = shl i8 %tmp, 3		; <i8> [#uses=1]
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	%tmp1.upgrd.2 = icmp eq i8 %tmp1, 0		; <i1> [#uses=1]
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	br i1 %tmp1.upgrd.2, label %ReturnBlock, label %cond_true
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cond_true:		; preds = %0
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	ret i8 1
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ReturnBlock:		; preds = %0
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	ret i8 0
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; CHECK-LABEL: test2b:
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; CHECK: testb	$31, (%rsi)
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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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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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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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 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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 bb12:; preds = %entry
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 ret i32 32
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; CHECK-LABEL: test5:
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; CHECK: ucomisd	LCPI5_0(%rip), %xmm0
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; CHECK: ucomisd	LCPI5_1(%rip), %xmm0
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}
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declare i32 @foo(...)
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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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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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; 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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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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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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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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; 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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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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; <label>:2                                       ; preds = %0
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  ret i32 1
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; <label>:3                                       ; preds = %0
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  ret i32 2
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}
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declare zeroext i1 @test12b()
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define i32 @test13(i32 %mask, i32 %base, i32 %intra) {
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  %and = and i32 %mask, 8
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  %tobool = icmp ne i32 %and, 0
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  %cond = select i1 %tobool, i32 %intra, i32 %base
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  ret i32 %cond
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; CHECK-LABEL: test13:
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; CHECK: testb	$8, %dil
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; CHECK: cmovnel
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}
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define i32 @test14(i32 %mask, i32 %base, i32 %intra) #0 {
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  %s = lshr i32 %mask, 7
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  %tobool = icmp sgt i32 %s, -1
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  %cond = select i1 %tobool, i32 %intra, i32 %base
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  ret i32 %cond
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; CHECK-LABEL: test14:
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; CHECK: 	shrl	$7, %edi
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; CHECK-NEXT: 	cmovnsl	%edx, %esi
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}
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; PR19964
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define zeroext i1 @test15(i32 %bf.load, i32 %n) {
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  %bf.lshr = lshr i32 %bf.load, 16
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  %cmp2 = icmp eq i32 %bf.lshr, 0
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  %cmp5 = icmp uge i32 %bf.lshr, %n
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  %.cmp5 = or i1 %cmp2, %cmp5
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  ret i1 %.cmp5
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; CHECK-LABEL: test15:
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; CHECK:  shrl	$16, %edi
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; CHECK:  cmpl	%esi, %edi
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}
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