You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
33 lines
1.1 KiB
33 lines
1.1 KiB
; RUN: llc < %s -asm-verbose=false -wasm-disable-explicit-locals -wasm-keep-registers | 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-unknown"
|
|
|
|
; 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 }
|
|
|
|
; CHECK-LABEL: wut:
|
|
; CHECK: call __multi3, $2, $0, $pop0, $1, $pop7
|
|
; CHECK: i64.load $0=, 8($2)
|
|
define i1 @wut(i64, i64) {
|
|
start:
|
|
%2 = call { i64, i1 } @llvm.umul.with.overflow.i64(i64 %0, i64 %1)
|
|
%3 = extractvalue { i64, i1 } %2, 1
|
|
ret i1 %3
|
|
}
|
|
|