diff options
| author | Vadim Chugunov <vadimcn@gmail.com> | 2017-07-05 22:01:49 +0000 |
|---|---|---|
| committer | Vadim Chugunov <vadimcn@gmail.com> | 2017-07-05 22:01:49 +0000 |
| commit | a671f7f9d2bc8bb3646d0179a44b9fd6761b3589 (patch) | |
| tree | 71efd088606bdd663b078055a901941f55e130d6 /test/CodeGen/WebAssembly | |
| parent | 8b70926d8387609acec68c293723b35203b2b787 (diff) | |
Fix libcall expansion creating DAG nodes with invalid type post type legalization.
If we are lowering a libcall after legalization, we'll split the return type into a pair of legal values.
Patch by Jatin Bhateja and Eli Friedman.
Differential Revision: https://reviews.llvm.org/D34240
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@307207 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/WebAssembly')
| -rw-r--r-- | test/CodeGen/WebAssembly/umulo-i64.ll | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/test/CodeGen/WebAssembly/umulo-i64.ll b/test/CodeGen/WebAssembly/umulo-i64.ll new file mode 100644 index 00000000000..e47c8aa0bb3 --- /dev/null +++ b/test/CodeGen/WebAssembly/umulo-i64.ll @@ -0,0 +1,21 @@ +; RUN: llc < %s -asm-verbose=false | FileCheck %s +; Test that UMULO works correctly on 64-bit operands. +target datalayout = "e-m:e-p:32:32-i64:64-n32:64-S128" +target triple = "wasm32-unknown-emscripten" + +; CHECK-LABEL: _ZN4core3num21_$LT$impl$u20$u64$GT$15overflowing_mul17h07be88b4cbac028fE: +; CHECK: __multi3 +; Function Attrs: inlinehint +define void @"_ZN4core3num21_$LT$impl$u20$u64$GT$15overflowing_mul17h07be88b4cbac028fE"(i64, i64) unnamed_addr #0 { +start: + %2 = call { i64, i1 } @llvm.umul.with.overflow.i64(i64 %0, i64 %1) + %3 = extractvalue { i64, i1 } %2, 0 + store i64 %3, i64* undef + unreachable +} + +; Function Attrs: nounwind readnone speculatable +declare { i64, i1 } @llvm.umul.with.overflow.i64(i64, i64) #1 + +attributes #0 = { inlinehint } +attributes #1 = { nounwind readnone speculatable } |