llvm-mirror/test/CodeGen/AArch64/loopvectorize_pr33804_double.ll
Manoj Gupta 67f92622b1 [LoopVectorizer] Add more testcases for PR33804.
Summary:
Add test cases when float <-> pointer types conversion is triggered
in presence of load instructions.

Reviewers: Ayal, srhines, mkuper, rengolin

Reviewed By: rengolin

Subscribers: javed.absar, llvm-commits

Differential Revision: https://reviews.llvm.org/D37967

llvm-svn: 313544
2017-09-18 17:28:15 +00:00

115 lines
5.6 KiB
LLVM

; RUN: opt -loop-vectorize -S < %s | FileCheck %s
; These tests check that we don't crash if vectorizer decides to cast
; a double value to be stored into a pointer type or vice-versa.
; This test checks when a double value is stored into a pointer type.
; ModuleID = 'bugpoint-reduced-simplified.bc'
source_filename = "bugpoint-output-26dbd81.bc"
target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128"
target triple = "aarch64-unknown-linux-gnu"
%struct.CvNode1D = type { double, %struct.CvNode1D* }
; CHECK-LABEL: @cvCalcEMD2
; CHECK: vector.body
; CHECK: store <{{[0-9]+}} x %struct.CvNode1D*>
define void @cvCalcEMD2() local_unnamed_addr #0 personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*) {
entry:
br label %for.body14.i.i
for.body14.i.i: ; preds = %for.body14.i.i, %entry
%i.1424.i.i = phi i32 [ %inc21.i.i, %for.body14.i.i ], [ 0, %entry ]
%arrayidx15.i.i1427 = getelementptr inbounds %struct.CvNode1D, %struct.CvNode1D* undef, i32 %i.1424.i.i
%val.i.i = getelementptr inbounds %struct.CvNode1D, %struct.CvNode1D* %arrayidx15.i.i1427, i32 0, i32 0
store double 0xC415AF1D80000000, double* %val.i.i, align 4
%next19.i.i = getelementptr inbounds %struct.CvNode1D, %struct.CvNode1D* undef, i32 %i.1424.i.i, i32 1
store %struct.CvNode1D* undef, %struct.CvNode1D** %next19.i.i, align 4
%inc21.i.i = add nuw nsw i32 %i.1424.i.i, 1
%exitcond438.i.i = icmp eq i32 %inc21.i.i, 0
br i1 %exitcond438.i.i, label %for.end22.i.i, label %for.body14.i.i
for.end22.i.i: ; preds = %for.body14.i.i
unreachable
}
; This test checks when a pointer value is stored into a double type.
%struct.CvNode1D2 = type { %struct.CvNode1D2*, double }
; CHECK-LABEL: @cvCalcEMD2_2
; CHECK: vector.body
; CHECK: store <{{[0-9]+}} x double>
define void @cvCalcEMD2_2() local_unnamed_addr #0 personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*) {
entry:
br label %for.body14.i.i
for.body14.i.i: ; preds = %for.body14.i.i, %entry
%i.1424.i.i = phi i32 [ %inc21.i.i, %for.body14.i.i ], [ 0, %entry ]
%next19.i.i = getelementptr inbounds %struct.CvNode1D2, %struct.CvNode1D2* undef, i32 %i.1424.i.i, i32 0
store %struct.CvNode1D2* undef, %struct.CvNode1D2** %next19.i.i, align 4
%arrayidx15.i.i1427 = getelementptr inbounds %struct.CvNode1D2, %struct.CvNode1D2* undef, i32 %i.1424.i.i
%val.i.i = getelementptr inbounds %struct.CvNode1D2, %struct.CvNode1D2* %arrayidx15.i.i1427, i32 0, i32 1
store double 0xC415AF1D80000000, double* %val.i.i, align 4
%inc21.i.i = add nuw nsw i32 %i.1424.i.i, 1
%exitcond438.i.i = icmp eq i32 %inc21.i.i, 0
br i1 %exitcond438.i.i, label %for.end22.i.i, label %for.body14.i.i
for.end22.i.i: ; preds = %for.body14.i.i
unreachable
}
; This test check for integer to pointer casting with load instructions.
; CHECK-LABEL: @cvCalcEMD3
; CHECK: vector.body
; CHECK: inttoptr <{{[0-9]+}} x i64>
define void @cvCalcEMD3() local_unnamed_addr #0 personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*) {
entry:
br label %for.body14.i.i
for.body14.i.i: ; preds = %for.body14.i.i, %entry
%i.1424.i.i = phi i32 [ %inc21.i.i, %for.body14.i.i ], [ 0, %entry ]
%arrayidx15.i.i1427 = getelementptr inbounds %struct.CvNode1D, %struct.CvNode1D* undef, i32 %i.1424.i.i
%val.i.i = getelementptr inbounds %struct.CvNode1D, %struct.CvNode1D* %arrayidx15.i.i1427, i32 0, i32 0
%load_d = load double, double* %val.i.i, align 4
%next19.i.i = getelementptr inbounds %struct.CvNode1D, %struct.CvNode1D* undef, i32 %i.1424.i.i, i32 1
%load_p = load %struct.CvNode1D*, %struct.CvNode1D** %next19.i.i, align 4
%inc21.i.i = add nuw nsw i32 %i.1424.i.i, 1
%exitcond438.i.i = icmp eq i32 %inc21.i.i, 0
br i1 %exitcond438.i.i, label %for.end22.i.i, label %for.body14.i.i
for.end22.i.i: ; preds = %for.body14.i.i
unreachable
}
; This test check for pointer to integer casting with load instructions.
; CHECK-LABEL: @cvCalcEMD3_2
; CHECK: vector.body
; CHECK: ptrtoint <{{[0-9]+}} x %struct.CvNode1D2*>
define void @cvCalcEMD3_2() local_unnamed_addr #0 personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*) {
entry:
br label %for.body14.i.i
for.body14.i.i: ; preds = %for.body14.i.i, %entry
%i.1424.i.i = phi i32 [ %inc21.i.i, %for.body14.i.i ], [ 0, %entry ]
%next19.i.i = getelementptr inbounds %struct.CvNode1D2, %struct.CvNode1D2* undef, i32 %i.1424.i.i, i32 0
%load_p = load %struct.CvNode1D2*, %struct.CvNode1D2** %next19.i.i, align 4
%arrayidx15.i.i1427 = getelementptr inbounds %struct.CvNode1D2, %struct.CvNode1D2* undef, i32 %i.1424.i.i
%val.i.i = getelementptr inbounds %struct.CvNode1D2, %struct.CvNode1D2* %arrayidx15.i.i1427, i32 0, i32 1
%load_d = load double, double* %val.i.i, align 4
%inc21.i.i = add nuw nsw i32 %i.1424.i.i, 1
%exitcond438.i.i = icmp eq i32 %inc21.i.i, 0
br i1 %exitcond438.i.i, label %for.end22.i.i, label %for.body14.i.i
for.end22.i.i: ; preds = %for.body14.i.i
unreachable
}
declare i32 @__gxx_personality_v0(...)
attributes #0 = { "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="generic" "unsafe-fp-math"="false" "use-soft-float"="false" }