| ; Example in which we take address of an external function |
| ; make sure that it is marked X(externFuncNode). |
| ; and that it is not inlined |
| ; Checking that the X flag is propogated everywhere. |
| ; Flag is preserved even after we create ECs |
| |
| ;RUN: dsaopt %s -dsa-stdlib -analyze -verify-flags "@fp:0+X" |
| ;RUN: dsaopt %s -dsa-bu -analyze -verify-flags "@fp:0+X" |
| ;RUN: dsaopt %s -dsa-cbu -analyze -verify-flags "@fp:0+X" |
| ;RUN: dsaopt %s -dsa-eq -analyze -verify-flags "@fp:0+X" |
| ;RUN: dsaopt %s -dsa-td -analyze -verify-flags "@fp:0+X" |
| ;RUN: dsaopt %s -dsa-eqtd -analyze -verify-flags "@fp:0+X" |
| |
| ; ModuleID = 'ttt' |
| 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" |
| |
| @fp = internal global i8* (i32)* bitcast (i8* (i64)* @malloc to i8* (i32)*) ; <i8* (i32)**> [#uses=1] |
| |
| declare noalias i8* @malloc(i64) nounwind |
| |
| define internal i8* @internalFunc(i32 %a) nounwind { |
| entry: |
| %a_addr = alloca i32 ; <i32*> [#uses=1] |
| %retval = alloca i8* ; <i8**> [#uses=2] |
| %0 = alloca i8* ; <i8**> [#uses=2] |
| %"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0] |
| store i32 %a, i32* %a_addr |
| %1 = call noalias i8* @malloc(i64 32) nounwind ; <i8*> [#uses=1] |
| store i8* %1, i8** %0, align 8 |
| %2 = load i8** %0, align 8 ; <i8*> [#uses=1] |
| store i8* %2, i8** %retval, align 8 |
| br label %return |
| |
| return: ; preds = %entry |
| %retval1 = load i8** %retval ; <i8*> [#uses=1] |
| ret i8* %retval1 |
| } |
| |
| define internal void @mergingFunc(i8* (i32)* %f) nounwind { |
| entry: |
| %f_addr = alloca i8* (i32)* ; <i8* (i32)**> [#uses=2] |
| %"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0] |
| store i8* (i32)* %f, i8* (i32)** %f_addr |
| %0 = load i8* (i32)** %f_addr, align 8 ; <i8* (i32)*> [#uses=1] |
| %1 = call i8* %0(i32 32) nounwind ; <i8*> [#uses=0] |
| br label %return |
| |
| return: ; preds = %entry |
| ret void |
| } |
| |
| define internal i32* @init() nounwind { |
| entry: |
| %retval = alloca i32* ; <i32**> [#uses=2] |
| %0 = alloca i32* ; <i32**> [#uses=2] |
| %"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0] |
| %1 = load i8* (i32)** @fp, align 8 ; <i8* (i32)*> [#uses=1] |
| call void @mergingFunc(i8* (i32)* %1) nounwind |
| %2 = call noalias i8* @malloc(i64 32) nounwind ; <i8*> [#uses=1] |
| %3 = bitcast i8* %2 to i32* ; <i32*> [#uses=1] |
| store i32* %3, i32** %0, align 8 |
| %4 = load i32** %0, align 8 ; <i32*> [#uses=1] |
| store i32* %4, i32** %retval, align 8 |
| br label %return |
| |
| return: ; preds = %entry |
| %retval1 = load i32** %retval ; <i32*> [#uses=1] |
| ret i32* %retval1 |
| } |
| |
| define void @main() nounwind { |
| entry: |
| %x = alloca i32* ; <i32**> [#uses=1] |
| %"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0] |
| %0 = call i32* @init() nounwind ; <i32*> [#uses=1] |
| store i32* %0, i32** %x, align 8 |
| call void @mergingFunc(i8* (i32)* @internalFunc) nounwind |
| br label %return |
| |
| return: ; preds = %entry |
| ret void |
| } |