diff options
Diffstat (limited to 'test/CodeGen/SystemZ/int-cmp-43.ll')
-rw-r--r-- | test/CodeGen/SystemZ/int-cmp-43.ll | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/test/CodeGen/SystemZ/int-cmp-43.ll b/test/CodeGen/SystemZ/int-cmp-43.ll index e5e13900fd..1a625886de 100644 --- a/test/CodeGen/SystemZ/int-cmp-43.ll +++ b/test/CodeGen/SystemZ/int-cmp-43.ll @@ -96,3 +96,21 @@ exit: %res = phi i64 [ %src1, %entry ], [ %mul, %mulb ] ret i64 %res } + +; Check the comparison can be reversed if that allows CGRL to be used. +define i64 @f6(i64 %src2) { +; CHECK-LABEL: f6: +; CHECK: cgrl %r2, g +; CHECK-NEXT: jh {{\.L.*}} +; CHECK: br %r14 +entry: + %src1 = load i64 *@g + %cond = icmp slt i64 %src1, %src2 + br i1 %cond, label %exit, label %mulb +mulb: + %mul = mul i64 %src2, %src2 + br label %exit +exit: + %res = phi i64 [ %src2, %entry ], [ %mul, %mulb ] + ret i64 %res +} |