llvm-project/llvm/test/Analysis/BasicAA/2007-10-24-ArgumentsGlobals.ll

17 lines
685 B
LLVM

; RUN: opt < %s -basic-aa -gvn -dce -S | FileCheck %s
%struct.A = type { i32 }
%struct.B = type { %struct.A }
@a = global %struct.B zeroinitializer ; <%struct.B*> [#uses=2]
define i32 @_Z3fooP1A(%struct.A* %b) {
; CHECK: %tmp7 = load
; CHECK: ret i32 %tmp7
entry:
store i32 1, i32* getelementptr (%struct.B, %struct.B* @a, i32 0, i32 0, i32 0), align 8
%tmp4 = getelementptr %struct.A, %struct.A* %b, i32 0, i32 0 ;<i32*> [#uses=1]
store i32 0, i32* %tmp4, align 4
%tmp7 = load i32, i32* getelementptr (%struct.B, %struct.B* @a, i32 0, i32 0, i32 0), align 8 ; <i32> [#uses=1]
ret i32 %tmp7
}