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authorStephen Hines <srhines@google.com>2014-07-21 00:45:20 -0700
committerStephen Hines <srhines@google.com>2014-07-21 00:45:20 -0700
commitc6a4f5e819217e1e12c458aed8e7b122e23a3a58 (patch)
tree81b7dd2bb4370a392f31d332a566c903b5744764 /test/Transforms/LowerAtomic
parent19c6fbb3e8aaf74093afa08013134b61fa08f245 (diff)
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Update LLVM for rebase to r212749.
Includes a cherry-pick of: r212948 - fixes a small issue with atomic calls Change-Id: Ib97bd980b59f18142a69506400911a6009d9df18
Diffstat (limited to 'test/Transforms/LowerAtomic')
-rw-r--r--test/Transforms/LowerAtomic/atomic-swap.ll17
1 files changed, 11 insertions, 6 deletions
diff --git a/test/Transforms/LowerAtomic/atomic-swap.ll b/test/Transforms/LowerAtomic/atomic-swap.ll
index c319834..cb11241 100644
--- a/test/Transforms/LowerAtomic/atomic-swap.ll
+++ b/test/Transforms/LowerAtomic/atomic-swap.ll
@@ -3,15 +3,20 @@
define i8 @cmpswap() {
; CHECK-LABEL: @cmpswap(
%i = alloca i8
- %j = cmpxchg i8* %i, i8 0, i8 42 monotonic monotonic
-; CHECK: [[INST:%[a-z0-9]+]] = load
-; CHECK-NEXT: icmp
-; CHECK-NEXT: select
-; CHECK-NEXT: store
+ %pair = cmpxchg i8* %i, i8 0, i8 42 monotonic monotonic
+ %j = extractvalue { i8, i1 } %pair, 0
+; CHECK: [[OLDVAL:%[a-z0-9]+]] = load i8* [[ADDR:%[a-z0-9]+]]
+; CHECK-NEXT: [[SAME:%[a-z0-9]+]] = icmp eq i8 [[OLDVAL]], 0
+; CHECK-NEXT: [[TO_STORE:%[a-z0-9]+]] = select i1 [[SAME]], i8 42, i8 [[OLDVAL]]
+; CHECK-NEXT: store i8 [[TO_STORE]], i8* [[ADDR]]
+; CHECK-NEXT: [[TMP:%[a-z0-9]+]] = insertvalue { i8, i1 } undef, i8 [[OLDVAL]], 0
+; CHECK-NEXT: [[RES:%[a-z0-9]+]] = insertvalue { i8, i1 } [[TMP]], i1 [[SAME]], 1
+; CHECK-NEXT: [[VAL:%[a-z0-9]+]] = extractvalue { i8, i1 } [[RES]], 0
ret i8 %j
-; CHECK: ret i8 [[INST]]
+; CHECK: ret i8 [[VAL]]
}
+
define i8 @swap() {
; CHECK-LABEL: @swap(
%i = alloca i8