diff options
Diffstat (limited to 'llvm/test/Transforms/CodeGenPrepare/AArch64')
| -rw-r--r-- | llvm/test/Transforms/CodeGenPrepare/AArch64/trunc-weird-user.ll | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/llvm/test/Transforms/CodeGenPrepare/AArch64/trunc-weird-user.ll b/llvm/test/Transforms/CodeGenPrepare/AArch64/trunc-weird-user.ll index 1a0878007b6..b4e6a409288 100644 --- a/llvm/test/Transforms/CodeGenPrepare/AArch64/trunc-weird-user.ll +++ b/llvm/test/Transforms/CodeGenPrepare/AArch64/trunc-weird-user.ll @@ -15,3 +15,22 @@ define %foo @test_merge(i32 %in) { %struct = insertvalue %foo undef, i8 %byte, 0 ret %"foo" %struct } + +define i64* @test_merge_PR21548(i32 %a, i64* %p1, i64* %p2, i64* %p3) { +; CHECK-LABEL: @test_merge_PR21548 + %as = lshr i32 %a, 3 + %Tr = trunc i32 %as to i1 + br i1 %Tr, label %BB2, label %BB3 + +BB2: + ; Similarly to above: + ; CodeGenPrepare was requesting the EVT for i8* to determine + ; whether the select user of the trunc was legal. This asserted. + +; CHECK: select i1 {{%.*}}, i64* %p1, i64* %p2 + %p = select i1 %Tr, i64* %p1, i64* %p2 + ret i64* %p + +BB3: + ret i64* %p3 +} |
