| ; RUN: llc < %s -mtriple=s390x-linux-gnu -start-after=codegenprepare | FileCheck %s |
| ; |
| ; Test that compilation succeeds with multiple users of the carry resulting |
| ; in a truncation of the SELECT_CCMASK used by GET_CCMASK. |
| |
| define void @fun() { |
| ; CHECK-LABEL: fun: |
| bb: |
| %0 = call { i64, i1 } @llvm.uadd.with.overflow.i64(i64 poison, i64 poison) |
| %ov = extractvalue { i64, i1 } %0, 1 |
| %i2 = sext i1 %ov to i64 |
| %i3 = select i1 %ov, i64 9223372036854775807, i64 -1 |
| %i4 = sub nsw i64 %i3, %i2 |
| %i5 = and i64 %i4, %i2 |
| %i6 = icmp slt i64 %i5, 0 |
| %i7 = xor i1 %ov, true |
| %i8 = select i1 %i6, i1 %i7, i1 false |
| %i9 = sext i1 %i8 to i16 |
| store i16 %i9, ptr poison, align 2 |
| unreachable |
| } |
| |
| declare { i64, i1 } @llvm.uadd.with.overflow.i64(i64, i64) |
