source: icGREP/icgrep-devel/llvm-3.8.0.src/test/CodeGen/AArch64/madd-lohi.ll @ 5027

Last change on this file since 5027 was 5027, checked in by cameron, 3 years ago

Upgrade to llvm 3.8

File size: 651 bytes
Line 
1; RUN: llc -mtriple=arm64-apple-ios7.0 %s -o - | FileCheck %s
2; RUN: llc -mtriple=aarch64_be-linux-gnu %s -o - | FileCheck --check-prefix=CHECK-BE %s
3
4define i128 @test_128bitmul(i128 %lhs, i128 %rhs) {
5; CHECK-LABEL: test_128bitmul:
6; CHECK-DAG: umulh [[CARRY:x[0-9]+]], x0, x2
7; CHECK-DAG: madd [[PART1:x[0-9]+]], x0, x3, [[CARRY]]
8; CHECK: madd x1, x1, x2, [[PART1]]
9; CHECK: mul x0, x0, x2
10
11; CHECK-BE-LABEL: test_128bitmul:
12; CHECK-BE-DAG: umulh [[CARRY:x[0-9]+]], x1, x3
13; CHECK-BE-DAG: madd [[PART1:x[0-9]+]], x1, x2, [[CARRY]]
14; CHECK-BE: madd x0, x0, x3, [[PART1]]
15; CHECK-BE: mul x1, x1, x3
16
17  %prod = mul i128 %lhs, %rhs
18  ret i128 %prod
19}
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