28ac873bcb
The compiler should not ignore UndefValue when gathering the scalars, otherwise the resulting code may be less defined than the original one. Also, grouped scalars to insert them at first to reduce the analysis in further passes. Differential Revision: https://reviews.llvm.org/D105275
94 lines
4.4 KiB
LLVM
94 lines
4.4 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt < %s -basic-aa -slp-vectorizer -dce -S -mtriple=x86_64-apple-macosx10.8.0 -mcpu=corei7 | FileCheck %s
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target 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"
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target triple = "x86_64-apple-macosx10.8.0"
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%struct.GPar.0.16.26 = type { [0 x double], double }
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@d = external global double, align 8
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declare %struct.GPar.0.16.26* @Rf_gpptr(...)
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define void @Rf_GReset() {
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; CHECK-LABEL: @Rf_GReset(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[TMP0:%.*]] = load double, double* @d, align 8
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; CHECK-NEXT: [[TMP1:%.*]] = insertelement <2 x double> <double undef, double poison>, double [[TMP0]], i32 1
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; CHECK-NEXT: [[TMP2:%.*]] = fsub <2 x double> <double -0.000000e+00, double -0.000000e+00>, [[TMP1]]
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; 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:%.*]]
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; CHECK: if.then:
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; CHECK-NEXT: [[TMP3:%.*]] = fsub <2 x double> [[TMP2]], undef
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; CHECK-NEXT: [[TMP4:%.*]] = fdiv <2 x double> [[TMP3]], undef
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; CHECK-NEXT: [[TMP5:%.*]] = extractelement <2 x double> [[TMP4]], i32 0
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; CHECK-NEXT: [[TMP6:%.*]] = extractelement <2 x double> [[TMP4]], i32 1
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; CHECK-NEXT: [[CMP:%.*]] = fcmp ogt double [[TMP5]], [[TMP6]]
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; CHECK-NEXT: br i1 [[CMP]], label [[IF_THEN6:%.*]], label [[IF_END7]]
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; CHECK: if.then6:
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; CHECK-NEXT: br label [[IF_END7]]
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; CHECK: if.end7:
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; CHECK-NEXT: ret void
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;
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entry:
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%sub = fsub double -0.000000e+00, undef
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%0 = load double, double* @d, align 8
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%sub1 = fsub double -0.000000e+00, %0
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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
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if.then: ; preds = %entry
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%sub2 = fsub double %sub, undef
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%div.i = fdiv double %sub2, undef
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%sub4 = fsub double %sub1, undef
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%div.i16 = fdiv double %sub4, undef
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%cmp = fcmp ogt double %div.i, %div.i16
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br i1 %cmp, label %if.then6, label %if.end7
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if.then6: ; preds = %if.then
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br label %if.end7
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if.end7: ; preds = %if.then6, %if.then, %entry
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%g.0 = phi double [ 0.000000e+00, %if.then6 ], [ %sub, %if.then ], [ %sub, %entry ]
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ret void
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}
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define void @Rf_GReset_unary_fneg() {
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; CHECK-LABEL: @Rf_GReset_unary_fneg(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[TMP0:%.*]] = load double, double* @d, align 8
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; CHECK-NEXT: [[TMP1:%.*]] = insertelement <2 x double> <double undef, double poison>, double [[TMP0]], i32 1
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; CHECK-NEXT: [[TMP2:%.*]] = fneg <2 x double> [[TMP1]]
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; 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:%.*]]
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; CHECK: if.then:
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; CHECK-NEXT: [[TMP3:%.*]] = fsub <2 x double> [[TMP2]], undef
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; CHECK-NEXT: [[TMP4:%.*]] = fdiv <2 x double> [[TMP3]], undef
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; CHECK-NEXT: [[TMP5:%.*]] = extractelement <2 x double> [[TMP4]], i32 0
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; CHECK-NEXT: [[TMP6:%.*]] = extractelement <2 x double> [[TMP4]], i32 1
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; CHECK-NEXT: [[CMP:%.*]] = fcmp ogt double [[TMP5]], [[TMP6]]
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; CHECK-NEXT: br i1 [[CMP]], label [[IF_THEN6:%.*]], label [[IF_END7]]
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; CHECK: if.then6:
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; CHECK-NEXT: br label [[IF_END7]]
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; CHECK: if.end7:
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; CHECK-NEXT: ret void
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;
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entry:
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%sub = fneg double undef
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%0 = load double, double* @d, align 8
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%sub1 = fneg double %0
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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
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if.then: ; preds = %entry
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%sub2 = fsub double %sub, undef
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%div.i = fdiv double %sub2, undef
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%sub4 = fsub double %sub1, undef
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%div.i16 = fdiv double %sub4, undef
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%cmp = fcmp ogt double %div.i, %div.i16
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br i1 %cmp, label %if.then6, label %if.end7
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if.then6: ; preds = %if.then
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br label %if.end7
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if.end7: ; preds = %if.then6, %if.then, %entry
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%g.0 = phi double [ 0.000000e+00, %if.then6 ], [ %sub, %if.then ], [ %sub, %entry ]
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ret void
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}
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