xref: /aosp_15_r20/external/llvm/test/CodeGen/Mips/analyzebranch.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; RUN: llc -march=mips -mcpu=mips32   < %s | FileCheck %s -check-prefixes=ALL,FCC
2*9880d681SAndroid Build Coastguard Worker; RUN: llc -march=mips -mcpu=mips32r2 < %s | FileCheck %s -check-prefixes=ALL,FCC
3*9880d681SAndroid Build Coastguard Worker; RUN: llc -march=mips -mcpu=mips32r6 < %s | FileCheck %s -check-prefixes=ALL,GPR,32-GPR
4*9880d681SAndroid Build Coastguard Worker; RUN: llc -march=mips64 -mcpu=mips4    < %s | FileCheck %s -check-prefixes=ALL,FCC
5*9880d681SAndroid Build Coastguard Worker; RUN: llc -march=mips64 -mcpu=mips64   < %s | FileCheck %s -check-prefixes=ALL,FCC
6*9880d681SAndroid Build Coastguard Worker; RUN: llc -march=mips64 -mcpu=mips64r2 < %s | FileCheck %s -check-prefixes=ALL,FCC
7*9880d681SAndroid Build Coastguard Worker; RUN: llc -march=mips64 -mcpu=mips64r6 < %s | FileCheck %s -check-prefixes=ALL,GPR,64-GPR
8*9880d681SAndroid Build Coastguard Worker
9*9880d681SAndroid Build Coastguard Workerdefine double @foo(double %a, double %b) nounwind readnone {
10*9880d681SAndroid Build Coastguard Workerentry:
11*9880d681SAndroid Build Coastguard Worker; ALL-LABEL: foo:
12*9880d681SAndroid Build Coastguard Worker
13*9880d681SAndroid Build Coastguard Worker; FCC:           bc1f $BB
14*9880d681SAndroid Build Coastguard Worker; FCC:           nop
15*9880d681SAndroid Build Coastguard Worker
16*9880d681SAndroid Build Coastguard Worker; 32-GPR:        mtc1      $zero, $[[Z:f[0-9]]]
17*9880d681SAndroid Build Coastguard Worker; 32-GPR:        mthc1     $zero, $[[Z:f[0-9]]]
18*9880d681SAndroid Build Coastguard Worker; 64-GPR:        dmtc1     $zero, $[[Z:f[0-9]]]
19*9880d681SAndroid Build Coastguard Worker; GPR:           cmp.lt.d  $[[FGRCC:f[0-9]+]], $[[Z]], $f12
20*9880d681SAndroid Build Coastguard Worker; GPR:           mfc1      $[[GPRCC:[0-9]+]], $[[FGRCC]]
21*9880d681SAndroid Build Coastguard Worker; GPR-NOT:       not       $[[GPRCC]], $[[GPRCC]]
22*9880d681SAndroid Build Coastguard Worker; GPR:           bnezc     $[[GPRCC]], $BB
23*9880d681SAndroid Build Coastguard Worker
24*9880d681SAndroid Build Coastguard Worker  %cmp = fcmp ogt double %a, 0.000000e+00
25*9880d681SAndroid Build Coastguard Worker  br i1 %cmp, label %if.end6, label %if.else
26*9880d681SAndroid Build Coastguard Worker
27*9880d681SAndroid Build Coastguard Workerif.else:                                          ; preds = %entry
28*9880d681SAndroid Build Coastguard Worker  %cmp3 = fcmp ogt double %b, 0.000000e+00
29*9880d681SAndroid Build Coastguard Worker  br i1 %cmp3, label %if.end6, label %return
30*9880d681SAndroid Build Coastguard Worker
31*9880d681SAndroid Build Coastguard Workerif.end6:                                          ; preds = %if.else, %entry
32*9880d681SAndroid Build Coastguard Worker  %c.0 = phi double [ %a, %entry ], [ 0.000000e+00, %if.else ]
33*9880d681SAndroid Build Coastguard Worker  %sub = fsub double %b, %c.0
34*9880d681SAndroid Build Coastguard Worker  %mul = fmul double %sub, 2.000000e+00
35*9880d681SAndroid Build Coastguard Worker  br label %return
36*9880d681SAndroid Build Coastguard Worker
37*9880d681SAndroid Build Coastguard Workerreturn:                                           ; preds = %if.else, %if.end6
38*9880d681SAndroid Build Coastguard Worker  %retval.0 = phi double [ %mul, %if.end6 ], [ 0.000000e+00, %if.else ]
39*9880d681SAndroid Build Coastguard Worker  ret double %retval.0
40*9880d681SAndroid Build Coastguard Worker}
41*9880d681SAndroid Build Coastguard Worker
42*9880d681SAndroid Build Coastguard Workerdefine void @f1(float %f) nounwind {
43*9880d681SAndroid Build Coastguard Workerentry:
44*9880d681SAndroid Build Coastguard Worker; ALL-LABEL: f1:
45*9880d681SAndroid Build Coastguard Worker
46*9880d681SAndroid Build Coastguard Worker; FCC:           bc1f $BB
47*9880d681SAndroid Build Coastguard Worker; FCC:           nop
48*9880d681SAndroid Build Coastguard Worker
49*9880d681SAndroid Build Coastguard Worker; GPR:           mtc1     $zero, $[[Z:f[0-9]]]
50*9880d681SAndroid Build Coastguard Worker; GPR:           cmp.eq.s $[[FGRCC:f[0-9]+]], $f12, $[[Z]]
51*9880d681SAndroid Build Coastguard Worker; GPR:           mfc1     $[[GPRCC:[0-9]+]], $[[FGRCC]]
52*9880d681SAndroid Build Coastguard Worker; GPR-NOT:       not      $[[GPRCC]], $[[GPRCC]]
53*9880d681SAndroid Build Coastguard Worker; 64-GPR         beqzc    $[[GPRCC]], $BB
54*9880d681SAndroid Build Coastguard Worker; 32-GPR         beqz     $[[GPRCC]], $BB
55*9880d681SAndroid Build Coastguard Worker
56*9880d681SAndroid Build Coastguard Worker  %cmp = fcmp une float %f, 0.000000e+00
57*9880d681SAndroid Build Coastguard Worker  br i1 %cmp, label %if.then, label %if.end
58*9880d681SAndroid Build Coastguard Worker
59*9880d681SAndroid Build Coastguard Workerif.then:                                          ; preds = %entry
60*9880d681SAndroid Build Coastguard Worker  tail call void @abort() noreturn
61*9880d681SAndroid Build Coastguard Worker  unreachable
62*9880d681SAndroid Build Coastguard Worker
63*9880d681SAndroid Build Coastguard Workerif.end:                                           ; preds = %entry
64*9880d681SAndroid Build Coastguard Worker  tail call void (...) @f2() nounwind
65*9880d681SAndroid Build Coastguard Worker  ret void
66*9880d681SAndroid Build Coastguard Worker}
67*9880d681SAndroid Build Coastguard Worker
68*9880d681SAndroid Build Coastguard Workerdeclare void @abort() noreturn nounwind
69*9880d681SAndroid Build Coastguard Worker
70*9880d681SAndroid Build Coastguard Workerdeclare void @f2(...)
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