File: 2009-08-10-ISelBug.ll

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llvm 2.6-9.1
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; RUN: llvm-as < %s | llc -mtriple=thumbv7-apple-darwin -mattr=+vfp2

define arm_apcscc float @t1(i32 %v0) nounwind {
entry:
	store i32 undef, i32* undef, align 4
	%0 = load [4 x i8]** undef, align 4		; <[4 x i8]*> [#uses=1]
	%1 = load i8* undef, align 1		; <i8> [#uses=1]
	%2 = zext i8 %1 to i32		; <i32> [#uses=1]
	%3 = getelementptr [4 x i8]* %0, i32 %v0, i32 0		; <i8*> [#uses=1]
	%4 = load i8* %3, align 1		; <i8> [#uses=1]
	%5 = zext i8 %4 to i32		; <i32> [#uses=1]
	%6 = sub i32 %5, %2		; <i32> [#uses=1]
	%7 = sitofp i32 %6 to float		; <float> [#uses=1]
	ret float %7
}