1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2; RUN: opt < %s -basic-aa -slp-vectorizer -dce -S -mtriple=x86_64-apple-macosx10.8.0 -mcpu=corei7 | FileCheck %s
3
4target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
5target triple = "x86_64-apple-macosx10.8.0"
6
7%struct.GPar.0.16.26 = type { [0 x double], double }
8
9@d = external global double, align 8
10
11declare %struct.GPar.0.16.26* @Rf_gpptr(...)
12
13define void @Rf_GReset() {
14; CHECK-LABEL: @Rf_GReset(
15; CHECK-NEXT:  entry:
16; CHECK-NEXT:    [[TMP0:%.*]] = load double, double* @d, align 8
17; CHECK-NEXT:    [[TMP1:%.*]] = insertelement <2 x double> <double undef, double poison>, double [[TMP0]], i32 1
18; CHECK-NEXT:    [[TMP2:%.*]] = fsub <2 x double> <double -0.000000e+00, double -0.000000e+00>, [[TMP1]]
19; CHECK-NEXT:    br i1 icmp eq (%struct.GPar.0.16.26* (...)* inttoptr (i64 115 to %struct.GPar.0.16.26* (...)*), %struct.GPar.0.16.26* (...)* @Rf_gpptr), label [[IF_THEN:%.*]], label [[IF_END7:%.*]]
20; CHECK:       if.then:
21; CHECK-NEXT:    [[TMP3:%.*]] = fsub <2 x double> [[TMP2]], undef
22; CHECK-NEXT:    [[TMP4:%.*]] = fdiv <2 x double> [[TMP3]], undef
23; CHECK-NEXT:    [[TMP5:%.*]] = extractelement <2 x double> [[TMP4]], i32 0
24; CHECK-NEXT:    [[TMP6:%.*]] = extractelement <2 x double> [[TMP4]], i32 1
25; CHECK-NEXT:    [[CMP:%.*]] = fcmp ogt double [[TMP5]], [[TMP6]]
26; CHECK-NEXT:    br i1 [[CMP]], label [[IF_THEN6:%.*]], label [[IF_END7]]
27; CHECK:       if.then6:
28; CHECK-NEXT:    br label [[IF_END7]]
29; CHECK:       if.end7:
30; CHECK-NEXT:    ret void
31;
32entry:
33  %sub = fsub double -0.000000e+00, undef
34  %0 = load double, double* @d, align 8
35  %sub1 = fsub double -0.000000e+00, %0
36  br i1 icmp eq (%struct.GPar.0.16.26* (...)* inttoptr (i64 115 to %struct.GPar.0.16.26* (...)*), %struct.GPar.0.16.26* (...)* @Rf_gpptr), label %if.then, label %if.end7
37
38if.then:                                          ; preds = %entry
39  %sub2 = fsub double %sub, undef
40  %div.i = fdiv double %sub2, undef
41  %sub4 = fsub double %sub1, undef
42  %div.i16 = fdiv double %sub4, undef
43  %cmp = fcmp ogt double %div.i, %div.i16
44  br i1 %cmp, label %if.then6, label %if.end7
45
46if.then6:                                         ; preds = %if.then
47  br label %if.end7
48
49if.end7:                                          ; preds = %if.then6, %if.then, %entry
50  %g.0 = phi double [ 0.000000e+00, %if.then6 ], [ %sub, %if.then ], [ %sub, %entry ]
51  ret void
52}
53
54define void @Rf_GReset_unary_fneg() {
55; CHECK-LABEL: @Rf_GReset_unary_fneg(
56; CHECK-NEXT:  entry:
57; CHECK-NEXT:    [[TMP0:%.*]] = load double, double* @d, align 8
58; CHECK-NEXT:    [[TMP1:%.*]] = insertelement <2 x double> <double undef, double poison>, double [[TMP0]], i32 1
59; CHECK-NEXT:    [[TMP2:%.*]] = fneg <2 x double> [[TMP1]]
60; CHECK-NEXT:    br i1 icmp eq (%struct.GPar.0.16.26* (...)* inttoptr (i64 115 to %struct.GPar.0.16.26* (...)*), %struct.GPar.0.16.26* (...)* @Rf_gpptr), label [[IF_THEN:%.*]], label [[IF_END7:%.*]]
61; CHECK:       if.then:
62; CHECK-NEXT:    [[TMP3:%.*]] = fsub <2 x double> [[TMP2]], undef
63; CHECK-NEXT:    [[TMP4:%.*]] = fdiv <2 x double> [[TMP3]], undef
64; CHECK-NEXT:    [[TMP5:%.*]] = extractelement <2 x double> [[TMP4]], i32 0
65; CHECK-NEXT:    [[TMP6:%.*]] = extractelement <2 x double> [[TMP4]], i32 1
66; CHECK-NEXT:    [[CMP:%.*]] = fcmp ogt double [[TMP5]], [[TMP6]]
67; CHECK-NEXT:    br i1 [[CMP]], label [[IF_THEN6:%.*]], label [[IF_END7]]
68; CHECK:       if.then6:
69; CHECK-NEXT:    br label [[IF_END7]]
70; CHECK:       if.end7:
71; CHECK-NEXT:    ret void
72;
73entry:
74  %sub = fneg double undef
75  %0 = load double, double* @d, align 8
76  %sub1 = fneg double %0
77  br i1 icmp eq (%struct.GPar.0.16.26* (...)* inttoptr (i64 115 to %struct.GPar.0.16.26* (...)*), %struct.GPar.0.16.26* (...)* @Rf_gpptr), label %if.then, label %if.end7
78
79if.then:                                          ; preds = %entry
80  %sub2 = fsub double %sub, undef
81  %div.i = fdiv double %sub2, undef
82  %sub4 = fsub double %sub1, undef
83  %div.i16 = fdiv double %sub4, undef
84  %cmp = fcmp ogt double %div.i, %div.i16
85  br i1 %cmp, label %if.then6, label %if.end7
86
87if.then6:                                         ; preds = %if.then
88  br label %if.end7
89
90if.end7:                                          ; preds = %if.then6, %if.then, %entry
91  %g.0 = phi double [ 0.000000e+00, %if.then6 ], [ %sub, %if.then ], [ %sub, %entry ]
92  ret void
93}
94