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			73 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			LLVM
		
	
	
	
	
	
			
		
		
	
	
			73 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			LLVM
		
	
	
	
	
	
| ; RUN: llc < %s -march=x86-64 -O0 | FileCheck %s --check-prefix=X64
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| ; RUN: llc < %s -march=x86 -O0 | FileCheck %s --check-prefix=X32
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| 
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| ; GEP indices are interpreted as signed integers, so they
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| ; should be sign-extended to 64 bits on 64-bit targets.
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| ; PR3181
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| define i32 @test1(i32 %t3, i32* %t1) nounwind {
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|        %t9 = getelementptr i32* %t1, i32 %t3           ; <i32*> [#uses=1]
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|        %t15 = load i32* %t9            ; <i32> [#uses=1]
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|        ret i32 %t15
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| ; X32: test1:
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| ; X32:  	movl	(%eax,%ecx,4), %eax
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| ; X32:  	ret
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| 
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| ; X64: test1:
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| ; X64:  	movslq	%edi, %rax
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| ; X64:  	movl	(%rsi,%rax,4), %eax
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| ; X64:  	ret
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| 
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| }
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| define i32 @test2(i64 %t3, i32* %t1) nounwind {
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|        %t9 = getelementptr i32* %t1, i64 %t3           ; <i32*> [#uses=1]
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|        %t15 = load i32* %t9            ; <i32> [#uses=1]
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|        ret i32 %t15
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| ; X32: test2:
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| ; X32:  	movl	(%edx,%ecx,4), %eax
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| ; X32:  	ret
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| 
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| ; X64: test2:
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| ; X64:  	movl	(%rsi,%rdi,4), %eax
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| ; X64:  	ret
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| }
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| 
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| 
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| 
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| ; PR4984
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| define i8 @test3(i8* %start) nounwind {
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| entry:
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|   %A = getelementptr i8* %start, i64 -2               ; <i8*> [#uses=1]
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|   %B = load i8* %A, align 1                       ; <i8> [#uses=1]
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|   ret i8 %B
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|   
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|   
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| ; X32: test3:
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| ; X32:  	movl	4(%esp), %eax
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| ; X32:  	movb	-2(%eax), %al
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| ; X32:  	ret
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| 
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| ; X64: test3:
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| ; X64:  	movb	-2(%rdi), %al
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| ; X64:  	ret
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| 
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| }
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| 
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| define double @test4(i64 %x, double* %p) nounwind {
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| entry:
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|   %x.addr = alloca i64, align 8                   ; <i64*> [#uses=2]
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|   %p.addr = alloca double*, align 8               ; <double**> [#uses=2]
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|   store i64 %x, i64* %x.addr
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|   store double* %p, double** %p.addr
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|   %tmp = load i64* %x.addr                        ; <i64> [#uses=1]
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|   %add = add nsw i64 %tmp, 16                     ; <i64> [#uses=1]
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|   %tmp1 = load double** %p.addr                   ; <double*> [#uses=1]
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|   %arrayidx = getelementptr inbounds double* %tmp1, i64 %add ; <double*> [#uses=1]
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|   %tmp2 = load double* %arrayidx                  ; <double> [#uses=1]
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|   ret double %tmp2
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| 
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| ; X32: test4:
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| ; X32: 128(%e{{.*}},%e{{.*}},8)
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| ; X64: test4:
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| ; X64: 128(%r{{.*}},%r{{.*}},8)
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| }
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