; RUN: opt < %s -basicaa -dse -S | FileCheck %s | |
target datalayout = "e-p:64:64:64" | |
; CHECK: @test | |
; CHECK-NEXT: bitcast | |
; CHECK-NEXT: @free | |
; CHECK-NEXT: ret void | |
define void @test(i32* %Q, i32* %P) { | |
%DEAD = load i32* %Q ; <i32> [#uses=1] | |
store i32 %DEAD, i32* %P | |
%1 = bitcast i32* %P to i8* | |
tail call void @free(i8* %1) | |
ret void | |
} | |
; CHECK: @test2 | |
; CHECK-NEXT: bitcast | |
; CHECK-NEXT: @free | |
; CHECK-NEXT: ret void | |
define void @test2({i32, i32}* %P) { | |
%Q = getelementptr {i32, i32} *%P, i32 0, i32 1 | |
store i32 4, i32* %Q | |
%1 = bitcast {i32, i32}* %P to i8* | |
tail call void @free(i8* %1) | |
ret void | |
} | |
; CHECK: @test4 | |
; CHECK-NOT: store | |
; CHECK: ret void | |
define void @test4() { | |
%m = call i8* @malloc(i64 24) | |
store i8 0, i8* %m | |
%m1 = getelementptr i8* %m, i64 1 | |
store i8 1, i8* %m1 | |
call void @free(i8* %m) | |
ret void | |
} | |
declare void @free(i8*) | |
declare i8* @malloc(i64) |