diff options
Diffstat (limited to 'test/CodeGen/SystemZ/int-cmp-06.ll')
| -rw-r--r-- | test/CodeGen/SystemZ/int-cmp-06.ll | 30 |
1 files changed, 28 insertions, 2 deletions
diff --git a/test/CodeGen/SystemZ/int-cmp-06.ll b/test/CodeGen/SystemZ/int-cmp-06.ll index 8ab62e8..82007e2 100644 --- a/test/CodeGen/SystemZ/int-cmp-06.ll +++ b/test/CodeGen/SystemZ/int-cmp-06.ll @@ -341,9 +341,35 @@ define i64 @f19(i32 *%ptr0) { ret i64 %sel9 } -; Check the comparison can be reversed if that allows CLGF to be used. -define double @f20(double %a, double %b, i64 %i2, i32 *%ptr) { +; Check the comparison can be reversed if that allows CLGFR to be used. +define double @f20(double %a, double %b, i64 %i1, i32 %unext) { ; CHECK-LABEL: f20: +; CHECK: clgfr %r2, %r3 +; CHECK-NEXT: jh +; CHECK: ldr %f0, %f2 +; CHECK: br %r14 + %i2 = zext i32 %unext to i64 + %cond = icmp ult i64 %i2, %i1 + %res = select i1 %cond, double %a, double %b + ret double %res +} + +; ...and again with the AND representation. +define double @f21(double %a, double %b, i64 %i1, i64 %unext) { +; CHECK-LABEL: f21: +; CHECK: clgfr %r2, %r3 +; CHECK-NEXT: jh +; CHECK: ldr %f0, %f2 +; CHECK: br %r14 + %i2 = and i64 %unext, 4294967295 + %cond = icmp ult i64 %i2, %i1 + %res = select i1 %cond, double %a, double %b + ret double %res +} + +; Check the comparison can be reversed if that allows CLGF to be used. +define double @f22(double %a, double %b, i64 %i2, i32 *%ptr) { +; CHECK-LABEL: f22: ; CHECK: clgf %r2, 0(%r3) ; CHECK-NEXT: jh {{\.L.*}} ; CHECK: ldr %f0, %f2 |