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| author | Stephen Hines <srhines@google.com> | 2014-12-04 02:59:27 +0000 |
|---|---|---|
| committer | Gerrit Code Review <noreply-gerritcodereview@google.com> | 2014-12-04 02:59:28 +0000 |
| commit | 876d6995443e99d13696f3941c3a789a4daa7c7a (patch) | |
| tree | 8fb36d3910e3ee4c4e1b7422f4f017108efc52f5 /test/CodeGen/Thumb2/constant-islands-new-island.ll | |
| parent | d2327b22152ced7bc46dc629fc908959e8a52d03 (diff) | |
| parent | 37ed9c199ca639565f6ce88105f9e39e898d82d0 (diff) | |
| download | external_llvm-876d6995443e99d13696f3941c3a789a4daa7c7a.zip external_llvm-876d6995443e99d13696f3941c3a789a4daa7c7a.tar.gz external_llvm-876d6995443e99d13696f3941c3a789a4daa7c7a.tar.bz2 | |
Merge "Update aosp/master LLVM for rebase to r222494."
Diffstat (limited to 'test/CodeGen/Thumb2/constant-islands-new-island.ll')
| -rw-r--r-- | test/CodeGen/Thumb2/constant-islands-new-island.ll | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/test/CodeGen/Thumb2/constant-islands-new-island.ll b/test/CodeGen/Thumb2/constant-islands-new-island.ll new file mode 100644 index 0000000..8ed657e --- /dev/null +++ b/test/CodeGen/Thumb2/constant-islands-new-island.ll @@ -0,0 +1,31 @@ +; RUN: llc < %s -mtriple=thumbv7-linux-gnueabihf %s -o - | FileCheck %s + +; Check that new water is created by splitting the basic block right after the +; load instruction. Previously, new water was created before the load +; instruction, which caused the pass to fail to converge. + +define void @test(i1 %tst) { +; CHECK-LABEL: test: +; CHECK: vldr {{s[0-9]+}}, [[CONST:\.LCPI[0-9]+_[0-9]+]] +; CHECK-NEXT: b.w [[CONTINUE:\.LBB[0-9]+_[0-9]+]] + +; CHECK: [[CONST]]: +; CHECK-NEXT: .long + +; CHECK: [[CONTINUE]]: + +entry: + call i32 @llvm.arm.space(i32 2000, i32 undef) + br i1 %tst, label %true, label %false + +true: + %val = phi float [12345.0, %entry], [undef, %false] + call void @bar(float %val) + ret void + +false: + br label %true +} + +declare void @bar(float) +declare i32 @llvm.arm.space(i32, i32) |