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-rw-r--r--llvm/test/ThinLTO/X86/index-const-prop-cache.ll41
1 files changed, 41 insertions, 0 deletions
diff --git a/llvm/test/ThinLTO/X86/index-const-prop-cache.ll b/llvm/test/ThinLTO/X86/index-const-prop-cache.ll
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index 00000000000..62a22af0b1e
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+++ b/llvm/test/ThinLTO/X86/index-const-prop-cache.ll
@@ -0,0 +1,41 @@
+; Check that we correctly handle 'ReadOnly' attribute when computing cache key
+; RUN: opt -module-summary -module-hash %s -o %t1.bc
+; RUN: opt -module-summary -module-hash %p/Inputs/index-const-prop-cache-foo.ll -o %t2.bc
+; RUN: opt -module-summary -module-hash %p/Inputs/index-const-prop-cache-test1.ll -o %t3.bc
+; RUN: opt -module-summary -module-hash %p/Inputs/index-const-prop-cache-test2.ll -o %t4.bc
+; RUN: rm -Rf %t.cache && mkdir %t.cache
+
+; Here @gFoo variable is writeable
+; RUN: llvm-lto -thinlto-action=run %t1.bc %t4.bc %t2.bc \
+; RUN: -exported-symbol=main -exported-symbol=test -thinlto-cache-dir=%t.cache
+; RUN: ls %t.cache/llvmcache-* | count 3
+
+; Now gFoo is read-only and all modules should get different cache keys.
+; RUN: llvm-lto -thinlto-action=run %t1.bc %t3.bc %t2.bc \
+; RUN: -exported-symbol=main -exported-symbol=test -thinlto-cache-dir=%t.cache
+; RUN: ls %t.cache/llvmcache-* | count 6
+
+; Do the same but with llvm-lto2
+; RUN: rm -Rf %t.cache && mkdir %t.cache
+; RUN: llvm-lto2 run %t1.bc %t4.bc %t2.bc -cache-dir=%t.cache -o %t5 \
+; RUN: -r=%t1.bc,main,plx -r=%t1.bc,foo,l \
+; RUN: -r=%t4.bc,test,plx -r=%t4.bc,foo,l -r=%t4.bc,bar,l \
+; RUN: -r=%t2.bc,foo,pl -r=%t2.bc,bar,pl -r=%t2.bc,rand,
+; RUN: ls %t.cache/llvmcache-* | count 3
+
+; RUN: llvm-lto2 run %t1.bc %t3.bc %t2.bc -cache-dir %t.cache -o %t6 \
+; RUN: -r=%t1.bc,main,plx -r=%t1.bc,foo,l \
+; RUN: -r=%t3.bc,test,plx -r=%t3.bc,foo,l \
+; RUN: -r=%t2.bc,foo,pl -r=%t2.bc,bar,pl -r=%t2.bc,rand,
+; RUN: ls %t.cache/llvmcache-* | count 6
+
+target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
+target triple = "x86_64-unknown-linux-gnu"
+
+; Function Attrs: nounwind ssp uwtable
+define i32 @main() local_unnamed_addr {
+ %1 = tail call i32 (...) @foo()
+ ret i32 %1
+}
+
+declare i32 @foo(...) local_unnamed_addr
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