| Eric Christopher | 362fee9 | 2011-06-17 20:41:29 +0000 | [diff] [blame^] | 1 | ; RUN: llc < %s -mtriple=x86_64-apple-darwin | FileCheck %s |
| 2 | %0 = type { i64, i64 } |
| 3 | %1 = type { i128, i1 } |
| 4 | |
| 5 | @.str = private unnamed_addr constant [11 x i8] c"%llx %llx\0A\00", align 1 |
| 6 | |
| 7 | define %0 @x(i64 %a.coerce0, i64 %a.coerce1, i64 %b.coerce0, i64 %b.coerce1) nounwind uwtable ssp { |
| 8 | entry: |
| 9 | %tmp16 = zext i64 %a.coerce0 to i128 |
| 10 | %tmp11 = zext i64 %a.coerce1 to i128 |
| 11 | %tmp12 = shl nuw i128 %tmp11, 64 |
| 12 | %ins14 = or i128 %tmp12, %tmp16 |
| 13 | %tmp6 = zext i64 %b.coerce0 to i128 |
| 14 | %tmp3 = zext i64 %b.coerce1 to i128 |
| 15 | %tmp4 = shl nuw i128 %tmp3, 64 |
| 16 | %ins = or i128 %tmp4, %tmp6 |
| 17 | %0 = tail call %1 @llvm.smul.with.overflow.i128(i128 %ins14, i128 %ins) |
| 18 | ; CHECK: callq ___muloti4 |
| 19 | %1 = extractvalue %1 %0, 0 |
| 20 | %2 = extractvalue %1 %0, 1 |
| 21 | br i1 %2, label %overflow, label %nooverflow |
| 22 | |
| 23 | overflow: ; preds = %entry |
| 24 | tail call void @llvm.trap() |
| 25 | unreachable |
| 26 | |
| 27 | nooverflow: ; preds = %entry |
| 28 | %tmp20 = trunc i128 %1 to i64 |
| 29 | %tmp21 = insertvalue %0 undef, i64 %tmp20, 0 |
| 30 | %tmp22 = lshr i128 %1, 64 |
| 31 | %tmp23 = trunc i128 %tmp22 to i64 |
| 32 | %tmp24 = insertvalue %0 %tmp21, i64 %tmp23, 1 |
| 33 | ret %0 %tmp24 |
| 34 | } |
| 35 | |
| 36 | declare %1 @llvm.smul.with.overflow.i128(i128, i128) nounwind readnone |
| 37 | |
| 38 | declare void @llvm.trap() nounwind |