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| author | Reid Kleckner <reid@kleckner.net> | 2014-01-17 23:58:17 +0000 |
|---|---|---|
| committer | Reid Kleckner <reid@kleckner.net> | 2014-01-17 23:58:17 +0000 |
| commit | 3cbfa1617f0d935d68bf519afb5720df066849c2 (patch) | |
| tree | bbd9321083451c055f56f050fe08c56d5a35d9f6 /test/Verifier | |
| parent | 01d9f5972a0d7b0d88f815e6f7424f5f7b5bdb04 (diff) | |
| download | llvm-3cbfa1617f0d935d68bf519afb5720df066849c2.tar.gz llvm-3cbfa1617f0d935d68bf519afb5720df066849c2.tar.bz2 llvm-3cbfa1617f0d935d68bf519afb5720df066849c2.tar.xz | |
Add an inalloca flag to allocas
Summary:
The only current use of this flag is to mark the alloca as dynamic, even
if its in the entry block. The stack adjustment for the alloca can
never be folded into the prologue because the call may clear it and it
has to be allocated at the top of the stack.
Reviewers: majnemer
CC: llvm-commits
Differential Revision: http://llvm-reviews.chandlerc.com/D2571
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199525 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/Verifier')
| -rwxr-xr-x | test/Verifier/inalloca-vararg.ll | 2 | ||||
| -rw-r--r-- | test/Verifier/inalloca2.ll | 22 |
2 files changed, 21 insertions, 3 deletions
diff --git a/test/Verifier/inalloca-vararg.ll b/test/Verifier/inalloca-vararg.ll index 6729c42830..8521ebce2d 100755 --- a/test/Verifier/inalloca-vararg.ll +++ b/test/Verifier/inalloca-vararg.ll @@ -2,7 +2,7 @@ declare void @h(i32, ...) define void @i() { - %args = alloca i32 + %args = alloca i32, inalloca call void (i32, ...)* @h(i32 1, i32* inalloca %args, i32 3) ; CHECK: inalloca isn't on the last argument! ret void diff --git a/test/Verifier/inalloca2.ll b/test/Verifier/inalloca2.ll index ed65667dc3..e4e81be386 100644 --- a/test/Verifier/inalloca2.ll +++ b/test/Verifier/inalloca2.ll @@ -6,7 +6,7 @@ declare void @doit(i64* inalloca %a) define void @a() { entry: - %a = alloca [2 x i32] + %a = alloca [2 x i32], inalloca %b = bitcast [2 x i32]* %a to i64* call void @doit(i64* inalloca %b) ret void @@ -14,8 +14,26 @@ entry: define void @b() { entry: - %a = alloca i64 + %a = alloca i64, inalloca call void @doit(i64* inalloca %a) call void @doit(i64* inalloca %a) ret void } + +define void @c(i1 %cond) { +entry: + br i1 %cond, label %if, label %else + +if: + %a = alloca i64, inalloca + br label %call + +else: + %b = alloca i64, inalloca + br label %call + +call: + %args = phi i64* [ %a, %if ], [ %b, %else ] + call void @doit(i64* inalloca %args) + ret void +} |