hanchenye-llvm-project/llvm/test/Transforms/GVN/mixed.ll

14 lines
334 B
LLVM

; RUN: opt < %s -gvn -S | not grep DEADLOAD
; RUN: opt < %s -gvn -S | not grep DEADGEP
define i32 @main(i32** %p) {
block1:
%z1 = load i32** %p
%z2 = getelementptr i32* %z1, i32 0
%z3 = load i32* %z2
%DEADLOAD = load i32** %p
%DEADGEP = getelementptr i32* %DEADLOAD, i32 0
%DEADLOAD2 = load i32* %DEADGEP
ret i32 %DEADLOAD2
}