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.
17 lines
477 B
17 lines
477 B
; RUN: llc < %s -mtriple=thumbv6m-none-eabi | FileCheck %s
|
|
|
|
define i1 @signed_multiplication_did_overflow(i32, i32) {
|
|
; CHECK-LABEL: signed_multiplication_did_overflow:
|
|
entry-block:
|
|
%2 = tail call { i32, i1 } @llvm.smul.with.overflow.i32(i32 %0, i32 %1)
|
|
%3 = extractvalue { i32, i1 } %2, 1
|
|
ret i1 %3
|
|
|
|
; CHECK: mov r2, r1
|
|
; CHECK: asrs r1, r0, #31
|
|
; CHECK: asrs r3, r2, #31
|
|
; CHECK: bl __aeabi_lmul
|
|
}
|
|
|
|
declare { i32, i1 } @llvm.smul.with.overflow.i32(i32, i32)
|