| ; RUN: llc -march=hexagon -mcpu=hexagonv5 -O3 < %s | FileCheck %s |
| |
| ; Check that we combine TFRs and TFRIs into COMBINEs. |
| |
| @a = external global i16 |
| @b = external global i16 |
| @c = external global i16 |
| |
| ; Function Attrs: nounwind |
| define i64 @test1() #0 { |
| ; CHECK: combine(#10, #0) |
| entry: |
| store i16 0, i16* @a, align 2 |
| store i16 10, i16* @b, align 2 |
| ret i64 10 |
| } |
| |
| ; Function Attrs: nounwind |
| define i64 @test2() #0 { |
| ; CHECK: combine(#0, r{{[0-9]+}}) |
| entry: |
| store i16 0, i16* @a, align 2 |
| %0 = load i16, i16* @c, align 2 |
| %conv2 = zext i16 %0 to i64 |
| ret i64 %conv2 |
| } |
| |
| ; Function Attrs: nounwind |
| define i64 @test4() #0 { |
| ; CHECK: combine(#0, #100) |
| entry: |
| store i16 100, i16* @b, align 2 |
| store i16 0, i16* @a, align 2 |
| ret i64 0 |
| } |