Eli Friedman | 0a76e32 | 2016-12-06 22:49:36 +0000 | [diff] [blame] | 1 | ; RUN: llc < %s -march=msp430 | FileCheck %s |
| 2 | target datalayout = "e-m:e-p:16:16-i32:16:32-a:16-n8:16" |
| 3 | target triple = "msp430" |
| 4 | |
| 5 | define void @foo(i16 %arg) unnamed_addr { |
| 6 | entry-block: |
| 7 | br i1 undef, label %bb2, label %bb3 |
| 8 | |
| 9 | bb2: ; preds = %entry-block |
| 10 | unreachable |
| 11 | |
| 12 | bb3: ; preds = %entry-block |
| 13 | %0 = call { i16, i1 } @llvm.umul.with.overflow.i16(i16 undef, i16 %arg) |
| 14 | ; CHECK: call |
| 15 | %1 = extractvalue { i16, i1 } %0, 1 |
| 16 | %2 = call i1 @llvm.expect.i1(i1 %1, i1 false) |
| 17 | br i1 %2, label %panic, label %bb5 |
| 18 | |
| 19 | bb5: ; preds = %bb3 |
| 20 | unreachable |
| 21 | |
| 22 | panic: ; preds = %bb3 |
| 23 | unreachable |
| 24 | } |
| 25 | |
| 26 | ; Function Attrs: nounwind readnone |
| 27 | declare i1 @llvm.expect.i1(i1, i1) #0 |
| 28 | |
| 29 | ; Function Attrs: nounwind readnone |
| 30 | declare { i16, i1 } @llvm.umul.with.overflow.i16(i16, i16) #0 |
| 31 | |
| 32 | attributes #0 = { nounwind readnone } |