blob: 75428ac2165510a9851d4928bc65bedadfb094c9 [file] [log] [blame]
Owen Anderson654d5442010-09-28 21:57:50 +00001; RUN: llc < %s -mtriple=arm-apple-darwin -mcpu=cortex-a9 | FileCheck %s
Evan Cheng3ef1c872010-09-10 01:29:16 +00002; rdar://8402126
3; Make sure if-converter is not predicating vldmia and ldmia. These are
4; micro-coded and would have long issue latency even if predicated on
5; false predicate.
6
Evan Cheng8239daf2010-11-03 00:45:17 +00007define void @t(double %a, double %b, double %c, double %d, i32* nocapture %solutions, double* nocapture %x) nounwind {
Evan Cheng3ef1c872010-09-10 01:29:16 +00008entry:
Evan Cheng8239daf2010-11-03 00:45:17 +00009; CHECK: t:
10; CHECK: vpop {d8}
11; CHECK-NOT: vpopne
12; CHECK: ldmia sp!, {r7, pc}
13; CHECK: vpop {d8}
14; CHECK: ldmia sp!, {r7, pc}
15 br i1 undef, label %if.else, label %if.then
Evan Cheng3ef1c872010-09-10 01:29:16 +000016
Evan Cheng8239daf2010-11-03 00:45:17 +000017if.then: ; preds = %entry
18 %mul73 = fmul double undef, 0.000000e+00
19 %sub76 = fsub double %mul73, undef
20 store double %sub76, double* undef, align 4
21 %call88 = tail call double @cos(double 0.000000e+00) nounwind
22 %mul89 = fmul double undef, %call88
23 %sub92 = fsub double %mul89, undef
24 store double %sub92, double* undef, align 4
25 ret void
Evan Cheng3ef1c872010-09-10 01:29:16 +000026
Evan Cheng8239daf2010-11-03 00:45:17 +000027if.else: ; preds = %entry
28 %tmp101 = tail call double @llvm.pow.f64(double undef, double 0x3FD5555555555555)
29 %add112 = fadd double %tmp101, undef
30 %mul118 = fmul double %add112, undef
31 store double 0.000000e+00, double* %x, align 4
32 ret void
Evan Cheng3ef1c872010-09-10 01:29:16 +000033}
34
Evan Cheng8239daf2010-11-03 00:45:17 +000035declare double @acos(double)
36
37declare double @sqrt(double) readnone
38
39declare double @cos(double) readnone
40
41declare double @fabs(double)
42
43declare double @llvm.pow.f64(double, double) nounwind readonly