diff options
Diffstat (limited to 'test/CodeGen/ARM')
-rw-r--r-- | test/CodeGen/ARM/ifcvt10.ll | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/test/CodeGen/ARM/ifcvt10.ll b/test/CodeGen/ARM/ifcvt10.ll new file mode 100644 index 0000000..3fd6a97 --- /dev/null +++ b/test/CodeGen/ARM/ifcvt10.ll @@ -0,0 +1,30 @@ +; RUN: llc < %s -march=arm -mcpu=cortex-a8 | FileCheck %s +; rdar://8402126 +; Make sure if-converter is not predicating vldmia and ldmia. These are +; micro-coded and would have long issue latency even if predicated on +; false predicate. + +%0 = type { float, float, float, float } +%pln = type { %vec, float } +%vec = type { [4 x float] } + +define arm_aapcs_vfpcc float @aaa(%vec* nocapture %ustart, %vec* nocapture %udir, %vec* nocapture %vstart, %vec* nocapture %vdir, %vec* %upoint, %vec* %vpoint) { +; CHECK: aaa: +; CHECK: vldr.32 +; CHECK-NOT: vldrne +; CHECK-NOT: vldmiane +; CHECK-NOT: ldmiane +; CHECK: vldmia sp! +; CHECK: ldmia sp! +entry: + br i1 undef, label %bb81, label %bb48 + +bb48: ; preds = %entry + %0 = call arm_aapcs_vfpcc %0 @bbb(%pln* undef, %vec* %vstart, %vec* undef) nounwind ; <%0> [#uses=0] + ret float 0.000000e+00 + +bb81: ; preds = %entry + ret float 0.000000e+00 +} + +declare arm_aapcs_vfpcc %0 @bbb(%pln* nocapture, %vec* nocapture, %vec* nocapture) nounwind |