1 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2 ; RUN: llc < %s -mtriple powerpc64le-unknown-linux | FileCheck %s
3 ; RUN: llc < %s -mtriple powerpc64le-unknown-linux -debug-only=machine-scheduler \
4 ; RUN: 2>&1 | FileCheck %s --check-prefix=LOG
7 define double @in_nostrict(double %a, double %b, double %c, double %d) {
8 ; CHECK-LABEL: in_nostrict:
9 ; CHECK: # %bb.0: # %entry
11 ; CHECK-NEXT: xsdivdp 1, 1, 2
12 ; CHECK-NEXT: xsadddp 1, 1, 3
13 ; CHECK-NEXT: xsadddp 0, 1, 0
14 ; CHECK-NEXT: mtfsf 255, 4
15 ; CHECK-NEXT: xsdivdp 1, 3, 4
16 ; CHECK-NEXT: xsadddp 1, 1, 2
17 ; CHECK-NEXT: xsadddp 1, 0, 1
20 ; LOG: *** MI Scheduling ***
21 ; LOG-NEXT: in_nostrict:%bb.0 entry
22 ; LOG: ExitSU: MTFSF 255, %{{[0-9]+}}:f8rc, 0, 0
23 ; LOG: *** MI Scheduling ***
24 ; LOG-NEXT: in_nostrict:%bb.0 entry
25 ; LOG: ExitSU: %{{[0-9]+}}:f8rc = MFFS implicit $rm
27 ; LOG: *** MI Scheduling ***
28 ; LOG-NEXT: in_nostrict:%bb.0 entry
29 ; LOG: ExitSU: MTFSF 255, renamable $f{{[0-9]+}}, 0, 0
31 %0 = tail call double @llvm.ppc.readflm()
32 %1 = fdiv double %a, %b
33 %2 = fadd double %1, %c
34 %3 = fadd double %2, %0
35 call double @llvm.ppc.setflm(double %d)
36 %5 = fdiv double %c, %d
37 %6 = fadd double %5, %b
38 %7 = fadd double %3, %6
42 define double @in_strict(double %a, double %b, double %c, double %d) #0 {
43 ; CHECK-LABEL: in_strict:
44 ; CHECK: # %bb.0: # %entry
46 ; CHECK-NEXT: xsdivdp 1, 1, 2
47 ; CHECK-NEXT: xsadddp 1, 1, 3
48 ; CHECK-NEXT: xsadddp 0, 1, 0
49 ; CHECK-NEXT: mtfsf 255, 4
50 ; CHECK-NEXT: xsdivdp 1, 3, 4
51 ; CHECK-NEXT: xsadddp 1, 1, 2
52 ; CHECK-NEXT: xsadddp 1, 0, 1
55 ; LOG: ***** MI Scheduling *****
56 ; LOG-NEXT: in_strict:%bb.0 entry
57 ; LOG: ExitSU: MTFSF 255, %{{[0-9]+}}:f8rc, 0, 0
58 ; LOG: ***** MI Scheduling *****
59 ; LOG-NEXT: in_strict:%bb.0 entry
60 ; LOG: ExitSU: %{{[0-9]+}}:f8rc = MFFS implicit $rm
62 ; LOG: ***** MI Scheduling *****
63 ; LOG-NEXT: in_strict:%bb.0 entry
64 ; LOG: ExitSU: MTFSF 255, renamable $f{{[0-9]+}}, 0, 0
66 %0 = tail call double @llvm.ppc.readflm()
67 %1 = call double @llvm.experimental.constrained.fdiv.f64(double %a, double %b, metadata !"round.dynamic", metadata !"fpexcept.strict") #0
68 %2 = call double @llvm.experimental.constrained.fadd.f64(double %1, double %c, metadata !"round.dynamic", metadata !"fpexcept.strict") #0
69 %3 = call double @llvm.experimental.constrained.fadd.f64(double %2, double %0, metadata !"round.dynamic", metadata !"fpexcept.strict") #0
70 call double @llvm.ppc.setflm(double %d)
71 %5 = call double @llvm.experimental.constrained.fdiv.f64(double %c, double %d, metadata !"round.dynamic", metadata !"fpexcept.strict") #0
72 %6 = call double @llvm.experimental.constrained.fadd.f64(double %5, double %b, metadata !"round.dynamic", metadata !"fpexcept.strict") #0
73 %7 = call double @llvm.experimental.constrained.fadd.f64(double %3, double %6, metadata !"round.dynamic", metadata !"fpexcept.strict") #0
77 declare double @llvm.ppc.readflm()
78 declare double @llvm.ppc.setflm(double)
79 declare double @llvm.experimental.constrained.fadd.f64(double, double, metadata, metadata)
80 declare double @llvm.experimental.constrained.fdiv.f64(double, double, metadata, metadata)
82 attributes #0 = { strictfp }