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Imported Upstream version 5.18.0.167
Former-commit-id: 289509151e0fee68a1b591a20c9f109c3c789d3a
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@ -1,13 +0,0 @@
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; RUN: opt < %s -constmerge > /dev/null
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@foo.upgrd.1 = internal constant { i32 } { i32 7 } ; <{ i32 }*> [#uses=1]
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@bar = internal constant { i32 } { i32 7 } ; <{ i32 }*> [#uses=1]
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declare i32 @test(i32*)
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define void @foo() {
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call i32 @test( i32* getelementptr ({ i32 }, { i32 }* @foo.upgrd.1, i64 0, i32 0) ) ; <i32>:1 [#uses=0]
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call i32 @test( i32* getelementptr ({ i32 }, { i32 }* @bar, i64 0, i32 0) ) ; <i32>:2 [#uses=0]
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ret void
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}
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@ -1,7 +0,0 @@
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; RUN: opt -S -constmerge < %s | FileCheck %s
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; CHECK: @foo = constant i32 6
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; CHECK: @bar = constant i32 6
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@foo = constant i32 6 ; <i32*> [#uses=0]
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@bar = constant i32 6 ; <i32*> [#uses=0]
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@ -1,18 +0,0 @@
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; RUN: opt -constmerge -S < %s | FileCheck %s
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; PR8978
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declare i32 @zed(%struct.foobar*, %struct.foobar*)
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%struct.foobar = type { i32 }
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; CHECK: bar.d
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@bar.d = unnamed_addr constant %struct.foobar zeroinitializer, align 4
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; CHECK-NOT: foo.d
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@foo.d = internal constant %struct.foobar zeroinitializer, align 4
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define i32 @main() nounwind ssp {
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entry:
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; CHECK: bar.d
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%call2 = tail call i32 @zed(%struct.foobar* @foo.d, %struct.foobar* @bar.d)
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nounwind
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ret i32 0
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}
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@ -1,28 +0,0 @@
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; RUN: opt -constmerge -S < %s | FileCheck %s
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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-S128"
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; Test that with a TD we do merge and mark the alignment as 4
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@T1A = internal unnamed_addr constant i32 1
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@T1B = internal unnamed_addr constant i32 1, align 2
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; CHECK: @T1B = internal unnamed_addr constant i32 1, align 4
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define void @test1(i32** %P1, i32** %P2) {
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store i32* @T1A, i32** %P1
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store i32* @T1B, i32** %P2
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ret void
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}
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; Test that even with a TD we set the alignment to the maximum if both constants
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; have explicit alignments.
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@T2A = internal unnamed_addr constant i32 2, align 1
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@T2B = internal unnamed_addr constant i32 2, align 2
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; CHECK: @T2B = internal unnamed_addr constant i32 2, align 2
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define void @test2(i32** %P1, i32** %P2) {
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store i32* @T2A, i32** %P1
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store i32* @T2B, i32** %P2
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ret void
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}
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@ -1,82 +0,0 @@
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; RUN: opt < %s -constmerge -S | FileCheck %s
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; Don't merge constants with specified sections.
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@T1G1 = internal constant i32 1, section "foo"
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@T1G2 = internal constant i32 1, section "bar"
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@T1G3 = internal constant i32 1, section "bar"
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; CHECK: @T1G1
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; CHECK: @T1G2
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; CHECK: @T1G3
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define void @test1(i32** %P1, i32** %P2, i32** %P3) {
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store i32* @T1G1, i32** %P1
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store i32* @T1G2, i32** %P2
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store i32* @T1G3, i32** %P3
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ret void
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}
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@T2a = internal constant i32 224
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@T2b = internal addrspace(30) constant i32 224
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; CHECK: @T2a
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; CHECK: @T2b
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define void @test2(i32** %P1, i32 addrspace(30)** %P2) {
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store i32* @T2a, i32** %P1
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store i32 addrspace(30)* @T2b, i32 addrspace(30)** %P2
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ret void
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}
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; PR8144 - Don't merge globals marked attribute(used)
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; CHECK: @T3A =
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; CHECK: @T3B =
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@T3A = internal constant i32 0
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@T3B = internal constant i32 0
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@llvm.used = appending global [2 x i32*] [i32* @T3A, i32* @T3B], section
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"llvm.metadata"
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define void @test3() {
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call void asm sideeffect "T3A, T3B",""() ; invisible use of T3A and T3B
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ret void
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}
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; Don't merge constants with !type annotations.
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@T4A1 = internal constant i32 2, !type !0
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@T4A2 = internal unnamed_addr constant i32 2, !type !1
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@T4B1 = internal constant i32 3, !type !0
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@T4B2 = internal unnamed_addr constant i32 3, !type !0
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@T4C1 = internal constant i32 4, !type !0
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@T4C2 = unnamed_addr constant i32 4
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@T4D1 = unnamed_addr constant i32 5, !type !0
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@T4D2 = internal constant i32 5
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!0 = !{i64 0, !"typeinfo name for A"}
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!1 = !{i64 0, !"typeinfo name for B"}
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; CHECK: @T4A1
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; CHECK: @T4A2
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; CHECK: @T4B1
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; CHECK: @T4B2
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; CHECK: @T4C1
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; CHECK: @T4C2
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; CHECK: @T4D1
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; CHECK: @T4D2
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define void @test4(i32** %P1, i32** %P2, i32** %P3, i32** %P4, i32** %P5, i32** %P6, i32** %P7, i32** %P8) {
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store i32* @T4A1, i32** %P1
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store i32* @T4A2, i32** %P2
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store i32* @T4B1, i32** %P3
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store i32* @T4B2, i32** %P4
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store i32* @T4C1, i32** %P5
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store i32* @T4C2, i32** %P6
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store i32* @T4D1, i32** %P7
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store i32* @T4D2, i32** %P8
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ret void
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}
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@ -1,41 +0,0 @@
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; RUN: opt -S < %s -passes=constmerge | FileCheck %s
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; Test that in one run var3 is merged into var2 and var1 into var4.
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; Test that we merge @var5 and @var6 into one with the higher alignment
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declare void @zed(%struct.foobar*, %struct.foobar*)
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%struct.foobar = type { i32 }
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@var1 = internal constant %struct.foobar { i32 2 }
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@var2 = unnamed_addr constant %struct.foobar { i32 2 }
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@var3 = internal constant %struct.foobar { i32 2 }
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@var4 = unnamed_addr constant %struct.foobar { i32 2 }
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; CHECK: %struct.foobar = type { i32 }
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; CHECK-NOT: @
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; CHECK: @var2 = constant %struct.foobar { i32 2 }
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; CHECK-NEXT: @var4 = constant %struct.foobar { i32 2 }
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declare void @helper([16 x i8]*)
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@var5 = internal constant [16 x i8] c"foo1bar2foo3bar\00", align 16
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@var6 = private unnamed_addr constant [16 x i8] c"foo1bar2foo3bar\00", align 1
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@var7 = internal constant [16 x i8] c"foo1bar2foo3bar\00"
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@var8 = private unnamed_addr constant [16 x i8] c"foo1bar2foo3bar\00"
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; CHECK-NEXT: @var7 = internal constant [16 x i8] c"foo1bar2foo3bar\00"
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; CHECK-NEXT: @var8 = private constant [16 x i8] c"foo1bar2foo3bar\00", align 16
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@var4a = alias %struct.foobar, %struct.foobar* @var4
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@llvm.used = appending global [1 x %struct.foobar*] [%struct.foobar* @var4a], section "llvm.metadata"
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define i32 @main() {
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entry:
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call void @zed(%struct.foobar* @var1, %struct.foobar* @var2)
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call void @zed(%struct.foobar* @var3, %struct.foobar* @var4)
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call void @helper([16 x i8]* @var5)
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call void @helper([16 x i8]* @var6)
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call void @helper([16 x i8]* @var7)
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call void @helper([16 x i8]* @var8)
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ret i32 0
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}
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@ -1,32 +0,0 @@
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; RUN: opt < %s -constmerge -S | FileCheck %s
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; CHECK: = constant i32 1, !dbg [[A:![0-9]+]], !dbg [[B:![0-9]+]]
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@a = internal constant i32 1, !dbg !0
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@b = unnamed_addr constant i32 1, !dbg !9
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define void @test1(i32** %P1, i32** %P2) {
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store i32* @a, i32** %P1
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store i32* @b, i32** %P2
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ret void
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}
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!llvm.dbg.cu = !{!2}
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!llvm.module.flags = !{!7, !8}
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; CHECK: [[A]] = !DIGlobalVariableExpression(var: [[VA:![0-9]+]], expr: !DIExpression())
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; CHECK: [[VA]] = distinct !DIGlobalVariable(name: "y"
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; CHECK: [[B]] = !DIGlobalVariableExpression(var: [[VB:![0-9]+]], expr: !DIExpression())
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; CHECK: [[VB]] = distinct !DIGlobalVariable(name: "x"
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!0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression())
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!1 = distinct !DIGlobalVariable(name: "x", scope: !2, file: !3, line: 1, type: !6, isLocal: false, isDefinition: true)
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!2 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !3, producer: "clang version 5.0.0 (trunk 297227) (llvm/trunk 297234)", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !4, globals: !5)
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!3 = !DIFile(filename: "1.cc", directory: "/build")
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!4 = !{}
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!5 = !{!0}
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!6 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
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!7 = !{i32 2, !"Dwarf Version", i32 4}
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!8 = !{i32 2, !"Debug Info Version", i32 3}
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!9 = !DIGlobalVariableExpression(var: !10, expr: !DIExpression())
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!10 = distinct !DIGlobalVariable(name: "y", scope: !2, file: !3, line: 1, type: !6, isLocal: false, isDefinition: true)
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@ -1,40 +0,0 @@
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; RUN: opt -constmerge -S < %s | FileCheck %s
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; Test which corresponding x and y are merged and that unnamed_addr
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; is correctly set.
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declare void @zed(%struct.foobar*, %struct.foobar*)
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%struct.foobar = type { i32 }
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@test1.x = internal constant %struct.foobar { i32 1 }
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@test1.y = constant %struct.foobar { i32 1 }
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@test2.x = internal constant %struct.foobar { i32 2 }
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@test2.y = unnamed_addr constant %struct.foobar { i32 2 }
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@test3.x = internal unnamed_addr constant %struct.foobar { i32 3 }
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@test3.y = constant %struct.foobar { i32 3 }
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@test4.x = internal unnamed_addr constant %struct.foobar { i32 4 }
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@test4.y = unnamed_addr constant %struct.foobar { i32 4 }
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; CHECK: %struct.foobar = type { i32 }
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; CHECK-NOT: @
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; CHECK: @test1.x = internal constant %struct.foobar { i32 1 }
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; CHECK-NEXT: @test1.y = constant %struct.foobar { i32 1 }
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; CHECK-NEXT: @test2.y = constant %struct.foobar { i32 2 }
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; CHECK-NEXT: @test3.y = constant %struct.foobar { i32 3 }
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; CHECK-NEXT: @test4.y = unnamed_addr constant %struct.foobar { i32 4 }
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; CHECK-NOT: @
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; CHECK: declare void @zed(%struct.foobar*, %struct.foobar*)
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define i32 @main() {
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entry:
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call void @zed(%struct.foobar* @test1.x, %struct.foobar* @test1.y)
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call void @zed(%struct.foobar* @test2.x, %struct.foobar* @test2.y)
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call void @zed(%struct.foobar* @test3.x, %struct.foobar* @test3.y)
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call void @zed(%struct.foobar* @test4.x, %struct.foobar* @test4.y)
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ret i32 0
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}
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