| ; Test the GPR constraint "a", which forbids %r0. |
| ; |
| ; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s |
| |
| define i64 @f1() { |
| ; CHECK-LABEL: f1: |
| ; CHECK: lhi %r1, 1 |
| ; CHECK: blah %r2 %r1 |
| ; CHECK: br %r14 |
| %val = call i64 asm "blah $0 $1", "=r,a" (i8 1) |
| ret i64 %val |
| } |
| |
| define i64 @f2() { |
| ; CHECK-LABEL: f2: |
| ; CHECK: lhi %r1, 2 |
| ; CHECK: blah %r2 %r1 |
| ; CHECK: br %r14 |
| %val = call i64 asm "blah $0 $1", "=r,a" (i16 2) |
| ret i64 %val |
| } |
| |
| define i64 @f3() { |
| ; CHECK-LABEL: f3: |
| ; CHECK: lhi %r1, 3 |
| ; CHECK: blah %r2 %r1 |
| ; CHECK: br %r14 |
| %val = call i64 asm "blah $0 $1", "=r,a" (i32 3) |
| ret i64 %val |
| } |
| |
| define i64 @f4() { |
| ; CHECK-LABEL: f4: |
| ; CHECK: lghi %r1, 4 |
| ; CHECK: blah %r2 %r1 |
| ; CHECK: br %r14 |
| %val = call i64 asm "blah $0 $1", "=r,a" (i64 4) |
| ret i64 %val |
| } |
