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; 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)
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