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| author | Mikael Holmen <mikael.holmen@ericsson.com> | 2017-10-04 06:39:22 +0000 |
|---|---|---|
| committer | Mikael Holmen <mikael.holmen@ericsson.com> | 2017-10-04 06:39:22 +0000 |
| commit | 66848ca5f7c1082cf2ae7f8e3f6ee55323d27714 (patch) | |
| tree | 50ca40d3e33707d2eb59f48b638baaae3f380548 /test/CodeGen/MIR | |
| parent | 880b83d5900b0ca1ec0a35ec80f04a5fd53377ad (diff) | |
Revert r314879 "[UnreachableBlockElim] Use COPY if PHI input is undef"
Build-bots broke on the new testcase. I'll investigate and fix.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@314880 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/MIR')
| -rw-r--r-- | test/CodeGen/MIR/X86/unreachable-mbb-undef-phi.mir | 38 |
1 files changed, 0 insertions, 38 deletions
diff --git a/test/CodeGen/MIR/X86/unreachable-mbb-undef-phi.mir b/test/CodeGen/MIR/X86/unreachable-mbb-undef-phi.mir deleted file mode 100644 index 1abfb19d638..00000000000 --- a/test/CodeGen/MIR/X86/unreachable-mbb-undef-phi.mir +++ /dev/null @@ -1,38 +0,0 @@ -# RUN: llc %s -o - -run-pass=processimpdefs -run-pass=unreachable-mbb-elimination | FileCheck %s ---- -name: f -tracksRegLiveness: true -registers: - - { id: 0, class: gr32, preferred-register: '' } - - { id: 1, class: gr32, preferred-register: '' } - - { id: 2, class: gr32, preferred-register: '' } -body: | - bb.0: - %0 = IMPLICIT_DEF - JMP_1 %bb.1 - - bb.1: - %1 = PHI %0, %bb.0, %2, %bb.2 - %2 = ADD32ri8 killed %1, 1, implicit-def %eflags - JMP_1 %bb.3 - - bb.2: - JMP_1 %bb.1 - - bb.3: -... - -# bb2 above is dead and should be removed and the PHI should be replaced with a -# COPY from an undef value since the bb0 value in the PHI is undef. - -# CHECK: bb.0: -# CHECK: successors: %bb.1 -# CHECK: JMP_1 %bb.1 - -# CHECK: bb.1: -# CHECK: successors: %bb.2 -# CHECK: [[TMP1:%[0-9]+]] = COPY undef %{{[0-9]+}} -# CHECK: %{{[0-9]+}} = ADD32ri8 killed [[TMP1]], 1 -# CHECK: JMP_1 %bb.2 - -# CHECK: bb.2: |