36 lines · plain
1; RUN: opt -passes='print<memoryssa-walker>' -disable-output < %s 2>&1 | FileCheck %s2 3; CHECK: define void @test4; CHECK: 1 = MemoryDef(liveOnEntry)->liveOnEntry - clobbered by liveOnEntry5; CHECK: store i8 42, ptr %a16; CHECK: 2 = MemoryDef(1)->liveOnEntry - clobbered by liveOnEntry7; CHECK: store i8 42, ptr %a28; CHECK: MemoryUse(1) - clobbered by 1 = MemoryDef(liveOnEntry)->liveOnEntry9; CHECK: %l1 = load i8, ptr %a110; CHECK: MemoryUse(2) - clobbered by 2 = MemoryDef(1)->liveOnEntry11; CHECK: %l2 = load i8, ptr %a212; CHECK: 3 = MemoryDef(2)->liveOnEntry - clobbered by liveOnEntry13; CHECK: store i8 42, ptr %p14; CHECK: 4 = MemoryDef(3)->3 - clobbered by 3 = MemoryDef(2)->liveOnEntry15; CHECK: store i8 42, ptr %p16; CHECK: MemoryUse(4) - clobbered by 4 = MemoryDef(3)->317; CHECK: %p1 = load i8, ptr %p18; CHECK: MemoryUse(4) - clobbered by 4 = MemoryDef(3)->319; CHECK: %p2 = load i8, ptr %p20 21define void @test(ptr %p) {22 %a1 = alloca i823 %a2 = alloca i824 store i8 42, ptr %a125 store i8 42, ptr %a226 %l1 = load i8, ptr %a127 %l2 = load i8, ptr %a228 29 store i8 42, ptr %p30 store i8 42, ptr %p31 %p1 = load i8, ptr %p32 %p2 = load i8, ptr %p33 34 ret void35}36