| ;--check that local detects call to malloc properly (marks them heap) |
| ;RUN: dsaopt %s -dsa-stdlib -analyze -verify-flags "main:b:0+H" |
| ;RUN: dsaopt %s -dsa-local -analyze -verify-flags "main:b:0+IE" |
| ;--check that local has b pointing to node containing c and d |
| ;RUN: dsaopt %s -dsa-local -analyze -check-same-node=main:b:0,main:c,main:d |
| ;--check that td/bu don't mark such nodes as incomplete |
| ;RUN: dsaopt %s -dsa-td -analyze -verify-flags "main:c-I" |
| ;RUN: dsaopt %s -dsa-bu -analyze -verify-flags "main:c-I" |
| |
| ; ModuleID = 'malloc_free.ll' |
| 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 i32 @main() nounwind { |
| entry: |
| %retval = alloca i32 ; <i32*> [#uses=2] |
| %a = alloca i32 ; <i32*> [#uses=2] |
| %b = alloca i8* ; <i8**> [#uses=2] |
| %"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0] |
| %c = call noalias i8* @malloc(i64 100) nounwind ; <i8*> [#uses=1] |
| store i8* %c, i8** %b, align 8 |
| %d = load i8** %b, align 8 ; <i8*> [#uses=1] |
| call void @free(i8* %d) nounwind |
| store i32 0, i32* %a, align 4 |
| %e = load i32* %a, align 4 ; <i32> [#uses=1] |
| store i32 %e, i32* %retval, align 4 |
| br label %return |
| |
| return: ; preds = %entry |
| %retval1 = load i32* %retval ; <i32> [#uses=1] |
| ret i32 %retval1 |
| } |
| |
| declare noalias i8* @malloc(i64) nounwind |
| |
| declare void @free(i8*) nounwind |
