llvm-project/llvm/test/Transforms/InstCombine/2009-03-02-VarLengthArrayGE...

15 lines
436 B
LLVM

; RUN: llvm-as < %s | opt -instcombine | llvm-dis | grep {getelementptr i32}
; PR3694
define i32 @e(i32 %m, i32 %n) nounwind {
entry:
%0 = alloca i32, i32 %n, align 4 ; <i32*> [#uses=2]
%1 = bitcast i32* %0 to [0 x i32]* ; <[0 x i32]*> [#uses=1]
call void @f(i32* %0) nounwind
%2 = getelementptr [0 x i32]* %1, i32 0, i32 %m ; <i32*> [#uses=1]
%3 = load i32* %2, align 4 ; <i32> [#uses=1]
ret i32 %3
}
declare void @f(i32*)