blob: 4e3146d711024d30b42fcba88194f2ec44f2a849 [file] [log] [blame]
; RUN: llc < %s -mtriple=thumbv6m-none-eabi | FileCheck %s
define i1 @unsigned_multiplication_did_overflow(i32, i32) {
; CHECK-LABEL: unsigned_multiplication_did_overflow:
entry-block:
%2 = tail call { i32, i1 } @llvm.umul.with.overflow.i32(i32 %0, i32 %1)
%3 = extractvalue { i32, i1 } %2, 1
ret i1 %3
; CHECK: mov{{s?}} r2, r1
; CHECK: mov{{s?}} r1, #0
; CHECK: mov{{s?}} r3, {{#0|r1}}
; CHECK: bl __aeabi_lmul
}
declare { i32, i1 } @llvm.umul.with.overflow.i32(i32, i32)