mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-11-02 00:42:52 +01:00
6a984089f4
support for x86, and UMULO/SMULO for many architectures, including PPC (PR4201), ARM, and Cell. The resulting expansion isn't perfect, but it's not bad. llvm-svn: 73477
16 lines
499 B
LLVM
16 lines
499 B
LLVM
; RUN: llvm-as < %s | llc -march=ppc32
|
|
|
|
declare {i32, i1} @llvm.umul.with.overflow.i32(i32 %a, i32 %b)
|
|
define i1 @a(i32 %x) zeroext nounwind {
|
|
%res = call {i32, i1} @llvm.umul.with.overflow.i32(i32 %x, i32 3)
|
|
%obil = extractvalue {i32, i1} %res, 1
|
|
ret i1 %obil
|
|
}
|
|
|
|
declare {i32, i1} @llvm.smul.with.overflow.i32(i32 %a, i32 %b)
|
|
define i1 @b(i32 %x) zeroext nounwind {
|
|
%res = call {i32, i1} @llvm.smul.with.overflow.i32(i32 %x, i32 3)
|
|
%obil = extractvalue {i32, i1} %res, 1
|
|
ret i1 %obil
|
|
}
|