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| author | Martin Storsjo <martin@martin.st> | 2018-01-24 06:40:04 +0000 |
|---|---|---|
| committer | Martin Storsjo <martin@martin.st> | 2018-01-24 06:40:04 +0000 |
| commit | e8248f2e106e8a9ab3ddcce637a15e811300cc7a (patch) | |
| tree | 897d171cccd10dea150e18dc9b7324f5eafd2507 /llvm/test | |
| parent | ae21466138bd078901ed8cc90228155a30529ab3 (diff) | |
| download | bcm5719-llvm-e8248f2e106e8a9ab3ddcce637a15e811300cc7a.tar.gz bcm5719-llvm-e8248f2e106e8a9ab3ddcce637a15e811300cc7a.zip | |
[GlobalMerge] Don't merge dllexport globals
Merging such globals loses the dllexport attribute. Add a test
to check that normal globals still are merged.
Differential Revision: https://reviews.llvm.org/D42127
llvm-svn: 323307
Diffstat (limited to 'llvm/test')
| -rw-r--r-- | llvm/test/CodeGen/ARM/global-merge-dllexport.ll | 15 | ||||
| -rw-r--r-- | llvm/test/CodeGen/ARM/global-merge-external.ll | 15 |
2 files changed, 30 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/ARM/global-merge-dllexport.ll b/llvm/test/CodeGen/ARM/global-merge-dllexport.ll new file mode 100644 index 00000000000..680f57d0a17 --- /dev/null +++ b/llvm/test/CodeGen/ARM/global-merge-dllexport.ll @@ -0,0 +1,15 @@ +; RUN: llc < %s -mtriple=thumbv7-win32 -arm-global-merge | FileCheck %s + +@x = global i32 0, align 4 +@y = dllexport global i32 0, align 4 + +define void @f1(i32 %a1, i32 %a2) { +; CHECK: f1: +; CHECK: movw [[REG1:r[0-9]+]], :lower16:x +; CHECK: movt [[REG1]], :upper16:x + store i32 %a1, i32* @x, align 4 + store i32 %a2, i32* @y, align 4 + ret void +} + +; CHECK-NOT: .L_MergedGlobals diff --git a/llvm/test/CodeGen/ARM/global-merge-external.ll b/llvm/test/CodeGen/ARM/global-merge-external.ll index f8d77afb983..25bbd086958 100644 --- a/llvm/test/CodeGen/ARM/global-merge-external.ll +++ b/llvm/test/CodeGen/ARM/global-merge-external.ll @@ -3,6 +3,7 @@ ; RUN: llc < %s -mtriple=arm-eabi -arm-global-merge -global-merge-on-external=false | FileCheck %s --check-prefixes=CHECK,CHECK-NO-MERGE ; RUN: llc < %s -mtriple=arm-macho -arm-global-merge | FileCheck %s --check-prefixes=CHECK,CHECK-NO-MERGE ; RUN: llc < %s -mtriple=arm-eabi -arm-global-merge -relocation-model=pic | FileCheck %s --check-prefixes=CHECK,CHECK-NO-MERGE +; RUN: llc < %s -mtriple=thumbv7-win32 -arm-global-merge | FileCheck %s --check-prefixes=CHECK-WIN32 @x = global i32 0, align 4 @y = global i32 0, align 4 @@ -14,6 +15,9 @@ define void @f1(i32 %a1, i32 %a2) { ;CHECK: [[LABEL1]]: ;CHECK-MERGE: .long .L_MergedGlobals ;CHECK-NO-MERGE: .long {{_?x}} +;CHECK-WIN32: f1: +;CHECK-WIN32: movw [[REG1:r[0-9]+]], :lower16:.L_MergedGlobals +;CHECK-WIN32: movt [[REG1]], :upper16:.L_MergedGlobals store i32 %a1, i32* @x, align 4 store i32 %a2, i32* @y, align 4 ret void @@ -25,6 +29,9 @@ define void @g1(i32 %a1, i32 %a2) { ;CHECK: [[LABEL2]]: ;CHECK-MERGE: .long .L_MergedGlobals ;CHECK-NO-MERGE: .long {{_?y}} +;CHECK-WIN32: g1: +;CHECK-WIN32: movw [[REG2:r[0-9]+]], :lower16:.L_MergedGlobals +;CHECK-WIN32: movt [[REG2]], :upper16:.L_MergedGlobals store i32 %a1, i32* @y, align 4 store i32 %a2, i32* @z, align 4 ret void @@ -35,6 +42,7 @@ define void @g1(i32 %a1, i32 %a2) { ;CHECK-MERGE: .type .L_MergedGlobals,%object ;CHECK-MERGE: .local .L_MergedGlobals ;CHECK-MERGE: .comm .L_MergedGlobals,12,4 +;CHECK-WIN32: .lcomm .L_MergedGlobals,12,4 ;CHECK-MERGE: .globl x ;CHECK-MERGE: x = .L_MergedGlobals @@ -45,3 +53,10 @@ define void @g1(i32 %a1, i32 %a2) { ;CHECK-MERGE: .globl z ;CHECK-MERGE: z = .L_MergedGlobals+8 ;CHECK-MERGE: .size z, 4 + +;CHECK-WIN32: .globl x +;CHECK-WIN32: x = .L_MergedGlobals +;CHECK-WIN32: .globl y +;CHECK-WIN32: y = .L_MergedGlobals+4 +;CHECK-WIN32: .globl z +;CHECK-WIN32: z = .L_MergedGlobals+8 |
