diff options
Diffstat (limited to 'test/CodeGen/SystemZ/int-cmp-42.ll')
-rw-r--r-- | test/CodeGen/SystemZ/int-cmp-42.ll | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/test/CodeGen/SystemZ/int-cmp-42.ll b/test/CodeGen/SystemZ/int-cmp-42.ll index 26a268dda2..94ef0082c4 100644 --- a/test/CodeGen/SystemZ/int-cmp-42.ll +++ b/test/CodeGen/SystemZ/int-cmp-42.ll @@ -100,3 +100,22 @@ exit: %res = phi i64 [ %src1, %entry ], [ %mul, %mulb ] ret i64 %res } + +; Check the comparison can be reversed if that allows CLGFRL to be used. +define i64 @f6(i64 %src2) { +; CHECK-LABEL: f6: +; CHECK: clgfrl %r2, g +; CHECK-NEXT: jh {{\.L.*}} +; CHECK: br %r14 +entry: + %val = load i32 *@g + %src1 = zext i32 %val to i64 + %cond = icmp ult 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 +} |