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| author | Hans Wennborg <hans@hanshq.net> | 2018-08-16 09:58:56 +0000 |
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| committer | Hans Wennborg <hans@hanshq.net> | 2018-08-16 09:58:56 +0000 |
| commit | 0caaac00354f81b19bdd453719e9ae2a2ae8e791 (patch) | |
| tree | c8b2c462a3e2daebddb067dbaaa9d918f3fbbd91 /test | |
| parent | 8684e0b4d359c6c19b4a83a148619b092d69784a (diff) | |
Merging r339533:
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r339533 | ctopper | 2018-08-13 07:26:49 +0200 (Mon, 13 Aug 2018) | 5 lines
[SelectionDAG] In PromoteFloatRes_BITCAST, insert a bitcast before the fp16_to_fp in case the input type isn't an i16.
The bitcast can be further legalized as needed.
Fixes PR38533.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_70@339855 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test')
| -rw-r--r-- | test/CodeGen/X86/pr38533.ll | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/test/CodeGen/X86/pr38533.ll b/test/CodeGen/X86/pr38533.ll new file mode 100644 index 00000000000..4c57d84fe65 --- /dev/null +++ b/test/CodeGen/X86/pr38533.ll @@ -0,0 +1,11 @@ +; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py +; RUN: llc < %s -mtriple=x86_64-unknown | FileCheck %s + +define void @constant_fold_vector_to_half() { +; CHECK-LABEL: constant_fold_vector_to_half: +; CHECK: # %bb.0: +; CHECK-NEXT: movw $16384, (%rax) # imm = 0x4000 +; CHECK-NEXT: retq + store volatile half bitcast (<4 x i4> <i4 0, i4 0, i4 0, i4 4> to half), half* undef + ret void +} |