diff options
Diffstat (limited to 'test')
| -rw-r--r-- | test/CodeGen/SystemZ/asm-17.ll | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/test/CodeGen/SystemZ/asm-17.ll b/test/CodeGen/SystemZ/asm-17.ll index 33234fc..86b0bbf 100644 --- a/test/CodeGen/SystemZ/asm-17.ll +++ b/test/CodeGen/SystemZ/asm-17.ll @@ -80,3 +80,25 @@ define float @f7(float %in) { call void asm sideeffect "blah", "~{f0},~{cc}"() ret float %in } + +; Test that both registers in a GR128 pair get hoisted. +define void @f8(i32 %count) { +; CHECK-LABE: f8 +; CHECK-DAG: lhi %r0, 0 +; CHECK-DAG: lhi %r1, 1 +; CHECK: %loop +; CHECK-NOT: %r +; CHECK: blah %r0, %r1 +entry: + br label %loop + +loop: + %this = phi i32 [ %count, %entry ], [ %next, %loop ] + call void asm sideeffect "blah $0, $1", "{r0},{r1}" (i32 0, i32 1) + %next = sub i32 %this, 1 + %cmp = icmp ne i32 %next, 0 + br i1 %cmp, label %loop, label %exit + +exit: + ret void +} |