diff options
Diffstat (limited to 'llvm/test/Transforms/GVN/non-local-offset.ll')
-rw-r--r-- | llvm/test/Transforms/GVN/non-local-offset.ll | 44 |
1 files changed, 29 insertions, 15 deletions
diff --git a/llvm/test/Transforms/GVN/non-local-offset.ll b/llvm/test/Transforms/GVN/non-local-offset.ll index 0467657..19b571e 100644 --- a/llvm/test/Transforms/GVN/non-local-offset.ll +++ b/llvm/test/Transforms/GVN/non-local-offset.ll @@ -1,16 +1,24 @@ +; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 6 ; RUN: opt -passes=gvn -S < %s | FileCheck %s target datalayout = "e-p:64:64:64" ; GVN should ignore the store to p[1] to see that the load from p[0] is ; fully redundant. - -; CHECK-LABEL: @yes( -; CHECK: if.then: -; CHECK-NEXT: store i32 0, ptr %q -; CHECK-NEXT: ret void - define void @yes(i1 %c, ptr %p, ptr %q) nounwind { +; CHECK-LABEL: define void @yes( +; CHECK-SAME: i1 [[C:%.*]], ptr [[P:%.*]], ptr [[Q:%.*]]) #[[ATTR0:[0-9]+]] { +; CHECK-NEXT: [[ENTRY:.*:]] +; CHECK-NEXT: store i32 0, ptr [[P]], align 4 +; CHECK-NEXT: [[P1:%.*]] = getelementptr inbounds i32, ptr [[P]], i64 1 +; CHECK-NEXT: store i32 1, ptr [[P1]], align 4 +; CHECK-NEXT: br i1 [[C]], label %[[IF_ELSE:.*]], label %[[IF_THEN:.*]] +; CHECK: [[IF_THEN]]: +; CHECK-NEXT: store i32 0, ptr [[Q]], align 4 +; CHECK-NEXT: ret void +; CHECK: [[IF_ELSE]]: +; CHECK-NEXT: ret void +; entry: store i32 0, ptr %p %p1 = getelementptr inbounds i32, ptr %p, i64 1 @@ -29,16 +37,22 @@ if.else: ; GVN should ignore the store to p[1] to see that the first load from p[0] is ; fully redundant. However, the second load is larger, so it's not a simple ; redundancy. - -; CHECK-LABEL: @watch_out_for_size_change( -; CHECK: if.then: -; CHECK-NEXT: store i32 0, ptr %q -; CHECK-NEXT: ret void -; CHECK: if.else: -; CHECK: load i64, ptr %p -; CHECK: store i64 - define void @watch_out_for_size_change(i1 %c, ptr %p, ptr %q) nounwind { +; CHECK-LABEL: define void @watch_out_for_size_change( +; CHECK-SAME: i1 [[C:%.*]], ptr [[P:%.*]], ptr [[Q:%.*]]) #[[ATTR0]] { +; CHECK-NEXT: [[ENTRY:.*:]] +; CHECK-NEXT: store i32 0, ptr [[P]], align 4 +; CHECK-NEXT: [[P1:%.*]] = getelementptr inbounds i32, ptr [[P]], i64 1 +; CHECK-NEXT: store i32 1, ptr [[P1]], align 4 +; CHECK-NEXT: br i1 [[C]], label %[[IF_ELSE:.*]], label %[[IF_THEN:.*]] +; CHECK: [[IF_THEN]]: +; CHECK-NEXT: store i32 0, ptr [[Q]], align 4 +; CHECK-NEXT: ret void +; CHECK: [[IF_ELSE]]: +; CHECK-NEXT: [[T64:%.*]] = load i64, ptr [[P]], align 4 +; CHECK-NEXT: store i64 [[T64]], ptr [[Q]], align 4 +; CHECK-NEXT: ret void +; entry: store i32 0, ptr %p %p1 = getelementptr inbounds i32, ptr %p, i64 1 |