| ; Pass same pointer(from main) as 2 different args to func |
| ; The formal args to func do not alias in func |
| ; Verify that the node is merged in TD |
| |
| ;RUN: dsaopt %s -dsa-td -analyze -check-same-node=func:arg1,func:arg2 |
| ;RUN: dsaopt %s -dsa-bu -analyze -check-not-same-node=func:arg1,func:arg2 |
| |
| ; ModuleID = 'mergeArgs.o' |
| target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64" |
| target triple = "x86_64-unknown-linux-gnu" |
| |
| define void @func(i32* %arg1, i32* %arg2) nounwind { |
| entry: |
| %arg1_addr = alloca i32* ; <i32**> [#uses=2] |
| %arg2_addr = alloca i32* ; <i32**> [#uses=2] |
| %"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0] |
| store i32* %arg1, i32** %arg1_addr |
| store i32* %arg2, i32** %arg2_addr |
| %0 = load i32*, i32** %arg1_addr, align 8 ; <i32*> [#uses=1] |
| store i32 1, i32* %0, align 4 |
| %1 = load i32*, i32** %arg2_addr, align 8 ; <i32*> [#uses=1] |
| store i32 2, i32* %1, align 4 |
| br label %return |
| |
| return: ; preds = %entry |
| ret void |
| } |
| |
| define i32 @main() nounwind { |
| entry: |
| %retval = alloca i32 ; <i32*> [#uses=1] |
| %p = alloca i32* ; <i32**> [#uses=3] |
| %"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0] |
| %0 = call noalias i8* @malloc(i64 4) nounwind ; <i8*> [#uses=1] |
| %1 = bitcast i8* %0 to i32* ; <i32*> [#uses=1] |
| store i32* %1, i32** %p, align 8 |
| %2 = load i32*, i32** %p, align 8 ; <i32*> [#uses=1] |
| %3 = load i32*, i32** %p, align 8 ; <i32*> [#uses=1] |
| call void @func(i32* %2, i32* %3) nounwind |
| br label %return |
| |
| return: ; preds = %entry |
| %retval1 = load i32, i32* %retval ; <i32> [#uses=1] |
| ret i32 %retval1 |
| } |
| |
| declare noalias i8* @malloc(i64) nounwind |