WholeProgramDevirt: When promoting for single-impl devirt, also rename the comdat.
This is required when targeting COFF, as the comdat name must match
one of the names of the symbols in the comdat.
Differential Revision: https://reviews.llvm.org/D37550
llvm-svn: 312767
diff --git a/llvm/test/Transforms/WholeProgramDevirt/export-single-impl.ll b/llvm/test/Transforms/WholeProgramDevirt/export-single-impl.ll
index 15de773..6c83c30 100644
--- a/llvm/test/Transforms/WholeProgramDevirt/export-single-impl.ll
+++ b/llvm/test/Transforms/WholeProgramDevirt/export-single-impl.ll
@@ -27,7 +27,7 @@
; SUMMARY-NEXT: WPDRes:
; SUMMARY-NEXT: 0:
; SUMMARY-NEXT: Kind: SingleImpl
-; SUMMARY-NEXT: SingleImplName: vf3
+; SUMMARY-NEXT: SingleImplName: 'vf3$merged'
; SUMMARY-NEXT: ResByArg:
; SUMMARY-NEXT: typeid4:
; SUMMARY-NEXT: TTRes:
@@ -41,6 +41,9 @@
; SUMMARY-NEXT: WithGlobalValueDeadStripping: false
; SUMMARY-NEXT: ...
+; CHECK: $"vf4$merged" = comdat largest
+$vf4 = comdat largest
+
; CHECK: @vt1 = constant void (i8*)* @vf1
@vt1 = constant void (i8*)* @vf1, !type !0
@@ -49,8 +52,8 @@
@vt3 = constant void (i8*)* @vf3, !type !2
-; CHECK: @vt4 = constant void (i8*)* @"vf4$merged"
-@vt4 = constant void (i8*)* @vf4, !type !3
+; CHECK: @vt4 = constant void (i8*)* @"vf4$merged", comdat($"vf4$merged")
+@vt4 = constant void (i8*)* @vf4, comdat($vf4), !type !3
@vt5 = constant void (i8*)* @vf5, !type !4
@@ -62,10 +65,13 @@
ret void
}
-declare void @vf3(i8*)
+; CHECK: define hidden void @"vf3$merged"(i8*) {
+define internal void @vf3(i8*) {
+ ret void
+}
-; CHECK: define hidden void @"vf4$merged"
-define internal void @vf4(i8*) {
+; CHECK: define hidden void @"vf4$merged"(i8*) comdat {
+define internal void @vf4(i8*) comdat {
ret void
}