| ;RUN: dsaopt %s -dsa-local -analyze -verify-flags "func:a1:0+I" |
| ;RUN: dsaopt %s -dsa-td -analyze -verify-flags "func:a1:0+HM-I" |
| |
| ; ModuleID = 'testcase.bc' |
| 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 internal i32* @test() nounwind { |
| entry: |
| %retval = alloca i32* ; <i32**> [#uses=2] |
| %0 = alloca i32* ; <i32**> [#uses=2] |
| %a2 = alloca i32* ; <i32**> [#uses=2] |
| %"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0] |
| %1 = call noalias i8* @malloc(i64 4) nounwind ; <i8*> [#uses=1] |
| %2 = bitcast i8* %1 to i32* ; <i32*> [#uses=1] |
| store i32* %2, i32** %a2, align 8 |
| %3 = load i32** %a2, align 8 ; <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 |
| } |
| |
| declare noalias i8* @malloc(i64) nounwind |
| |
| define void @func() nounwind { |
| entry: |
| %a1 = alloca i32* ; <i32**> [#uses=1] |
| %"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0] |
| %0 = call i32* @test() nounwind ; <i32*> [#uses=1] |
| store i32* %0, i32** %a1, align 8 |
| br label %return |
| |
| return: ; preds = %entry |
| ret void |
| } |