| ; RUN: opt < %s -passes=constmerge -S | FileCheck %s |
| |
| ; Don't merge constants with specified sections. |
| |
| @T1G1 = internal constant i32 1, section "foo" |
| @T1G2 = internal constant i32 1, section "bar" |
| @T1G3 = internal constant i32 1, section "bar" |
| |
| ; CHECK: @T1G1 |
| ; CHECK: @T1G2 |
| ; CHECK: @T1G3 |
| |
| define void @test1(i32** %P1, i32** %P2, i32** %P3) { |
| store i32* @T1G1, i32** %P1 |
| store i32* @T1G2, i32** %P2 |
| store i32* @T1G3, i32** %P3 |
| ret void |
| } |
| |
| @T2a = internal constant i32 224 |
| @T2b = internal addrspace(30) constant i32 224 |
| |
| ; CHECK: @T2a |
| ; CHECK: @T2b |
| |
| define void @test2(i32** %P1, i32 addrspace(30)** %P2) { |
| store i32* @T2a, i32** %P1 |
| store i32 addrspace(30)* @T2b, i32 addrspace(30)** %P2 |
| ret void |
| } |
| |
| ; PR8144 - Don't merge globals marked attribute(used) |
| ; CHECK: @T3A = |
| ; CHECK: @T3B = |
| |
| @T3A = internal constant i32 0 |
| @T3B = internal constant i32 0 |
| @llvm.used = appending global [2 x i32*] [i32* @T3A, i32* @T3B], section |
| "llvm.metadata" |
| |
| define void @test3() { |
| call void asm sideeffect "T3A, T3B",""() ; invisible use of T3A and T3B |
| ret void |
| } |
| |
| ; Don't merge constants with !type annotations. |
| |
| @T4A1 = internal constant i32 2, !type !0 |
| @T4A2 = internal unnamed_addr constant i32 2, !type !1 |
| |
| @T4B1 = internal constant i32 3, !type !0 |
| @T4B2 = internal unnamed_addr constant i32 3, !type !0 |
| |
| @T4C1 = internal constant i32 4, !type !0 |
| @T4C2 = unnamed_addr constant i32 4 |
| |
| @T4D1 = unnamed_addr constant i32 5, !type !0 |
| @T4D2 = internal constant i32 5 |
| |
| !0 = !{i64 0, !"typeinfo name for A"} |
| !1 = !{i64 0, !"typeinfo name for B"} |
| |
| ; CHECK: @T4A1 |
| ; CHECK: @T4A2 |
| ; CHECK: @T4B1 |
| ; CHECK: @T4B2 |
| ; CHECK: @T4C1 |
| ; CHECK: @T4C2 |
| ; CHECK: @T4D1 |
| ; CHECK: @T4D2 |
| |
| define void @test4(i32** %P1, i32** %P2, i32** %P3, i32** %P4, i32** %P5, i32** %P6, i32** %P7, i32** %P8) { |
| store i32* @T4A1, i32** %P1 |
| store i32* @T4A2, i32** %P2 |
| store i32* @T4B1, i32** %P3 |
| store i32* @T4B2, i32** %P4 |
| store i32* @T4C1, i32** %P5 |
| store i32* @T4C2, i32** %P6 |
| store i32* @T4D1, i32** %P7 |
| store i32* @T4D2, i32** %P8 |
| ret void |
| } |
| |
| ; CHECK: @T5tls |
| ; CHECK: @T5ua |
| |
| @T5tls = private thread_local constant i32 555 |
| @T5ua = private unnamed_addr constant i32 555 |
| |
| define void @test5(i32** %P1, i32** %P2) { |
| store i32* @T5tls, i32** %P1 |
| store i32* @T5ua, i32** %P2 |
| ret void |
| } |