forked from OSchip/llvm-project
174 lines
7.8 KiB
LLVM
174 lines
7.8 KiB
LLVM
; RUN: llc %s -o - -verify-machineinstrs | FileCheck %s
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target datalayout = "e-m:o-p:32:32-f64:32:64-v64:32:64-v128:32:128-a:0:32-n32-S32"
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target triple = "thumbv7s-apple-ios8.0.0"
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%struct.cells = type { i32, i32, %struct.cells* }
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@reg_len = external global i32, align 4
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; The thumb2 size reduction pass commutes arguments to make the first src of an add the same as the dest.
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; It needs to also move the internal flag when commuting arguments.
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; CHECK-LABEL: @simulate
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; Function Attrs: nounwind optsize ssp
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define i32 @simulate(i32 %iterations, %struct.cells* nocapture %present, double %prob, i8* nocapture readonly %structure) {
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entry:
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%0 = load i32, i32* @reg_len, align 4, !tbaa !3
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%sub = add nsw i32 %0, -1
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%div = sdiv i32 %sub, 31
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%rem2 = srem i32 %sub, 31
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%cmp35202 = icmp sgt i32 %rem2, 0
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br label %for.cond3.preheader
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for.cond3.preheader: ; preds = %if.end85, %entry
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%call192 = tail call i32 @lrand48() #2
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br label %for.cond6.preheader
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for.cond34.preheader: ; preds = %for.inc30
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br i1 %cmp35202, label %for.body37, label %for.end73
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for.cond6.preheader: ; preds = %for.inc30, %for.cond3.preheader
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%call197 = phi i32 [ %call, %for.inc30 ], [ %call192, %for.cond3.preheader ]
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%i.0196 = phi i32 [ %inc31, %for.inc30 ], [ 0, %for.cond3.preheader ]
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%temp.1195 = phi %struct.cells* [ %5, %for.inc30 ], [ %present, %for.cond3.preheader ]
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%savefaulty.0194 = phi i32 [ %add12, %for.inc30 ], [ 0, %for.cond3.preheader ]
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%savef_free.0193 = phi i32 [ %add11, %for.inc30 ], [ 0, %for.cond3.preheader ]
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br label %for.body8
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for.body8: ; preds = %for.body8, %for.cond6.preheader
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%randv.0190 = phi i32 [ %call197, %for.cond6.preheader ], [ %shr, %for.body8 ]
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%j.0189 = phi i32 [ 0, %for.cond6.preheader ], [ %inc, %for.body8 ]
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%temp.2188 = phi %struct.cells* [ %temp.1195, %for.cond6.preheader ], [ %5, %for.body8 ]
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%savefaulty.1187 = phi i32 [ %savefaulty.0194, %for.cond6.preheader ], [ %add12, %for.body8 ]
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%savef_free.1186 = phi i32 [ %savef_free.0193, %for.cond6.preheader ], [ %add11, %for.body8 ]
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%f_free = getelementptr inbounds %struct.cells, %struct.cells* %temp.2188, i32 0, i32 0
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%1 = load i32, i32* %f_free, align 4, !tbaa !7
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%add11 = add nsw i32 %1, %savef_free.1186
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%faulty = getelementptr inbounds %struct.cells, %struct.cells* %temp.2188, i32 0, i32 1
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%2 = load i32, i32* %faulty, align 4, !tbaa !10
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%add12 = add nsw i32 %2, %savefaulty.1187
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%next = getelementptr inbounds %struct.cells, %struct.cells* %temp.2188, i32 0, i32 2
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%3 = load %struct.cells*, %struct.cells** %next, align 4, !tbaa !11
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%f_free13 = getelementptr inbounds %struct.cells, %struct.cells* %3, i32 0, i32 0
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%4 = load i32, i32* %f_free13, align 4, !tbaa !7
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%add14 = add nsw i32 %4, %randv.0190
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%and = and i32 %add14, 1
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store i32 %and, i32* %f_free, align 4, !tbaa !7
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%call16 = tail call i32 @lrand48() #2
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%rem17 = srem i32 %call16, 1000
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%conv18 = sitofp i32 %rem17 to double
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%div19 = fdiv double %conv18, 1.000000e+03
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%cmp20 = fcmp olt double %div19, %prob
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%xor = zext i1 %cmp20 to i32
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%randv.1 = xor i32 %xor, %randv.0190
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%5 = load %struct.cells*, %struct.cells** %next, align 4, !tbaa !11
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%faulty25 = getelementptr inbounds %struct.cells, %struct.cells* %5, i32 0, i32 1
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%6 = load i32, i32* %faulty25, align 4, !tbaa !10
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%add26 = add nsw i32 %randv.1, %6
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%and27 = and i32 %add26, 1
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store i32 %and27, i32* %faulty, align 4, !tbaa !10
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%shr = ashr i32 %randv.0190, 1
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%inc = add nuw nsw i32 %j.0189, 1
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%exitcond = icmp eq i32 %inc, 31
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br i1 %exitcond, label %for.inc30, label %for.body8
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for.inc30: ; preds = %for.body8
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%inc31 = add nuw nsw i32 %i.0196, 1
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%cmp4 = icmp slt i32 %inc31, %div
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%call = tail call i32 @lrand48() #2
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br i1 %cmp4, label %for.cond6.preheader, label %for.cond34.preheader
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for.body37: ; preds = %for.body37, %for.cond34.preheader
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%randv.2207 = phi i32 [ %shr70, %for.body37 ], [ %call, %for.cond34.preheader ]
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%temp.3205 = phi %struct.cells* [ %9, %for.body37 ], [ %5, %for.cond34.preheader ]
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%f_free45 = getelementptr inbounds %struct.cells, %struct.cells* %temp.3205, i32 0, i32 0
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%.pre220 = getelementptr inbounds %struct.cells, %struct.cells* %temp.3205, i32 0, i32 1
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%next50 = getelementptr inbounds %struct.cells, %struct.cells* %temp.3205, i32 0, i32 2
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%7 = load %struct.cells*, %struct.cells** %next50, align 4, !tbaa !11
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%f_free51 = getelementptr inbounds %struct.cells, %struct.cells* %7, i32 0, i32 0
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%8 = load i32, i32* %f_free51, align 4, !tbaa !7
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%add52 = add nsw i32 %8, %randv.2207
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%and53 = and i32 %add52, 1
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store i32 %and53, i32* %f_free45, align 4, !tbaa !7
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%call55 = tail call i32 @lrand48() #2
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%rem56 = srem i32 %call55, 1000
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%conv57 = sitofp i32 %rem56 to double
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%div58 = fdiv double %conv57, 1.000000e+03
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%cmp59 = fcmp olt double %div58, %prob
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%xor62 = zext i1 %cmp59 to i32
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%randv.3 = xor i32 %xor62, %randv.2207
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%9 = load %struct.cells*, %struct.cells** %next50, align 4, !tbaa !11
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%faulty65 = getelementptr inbounds %struct.cells, %struct.cells* %9, i32 0, i32 1
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%10 = load i32, i32* %faulty65, align 4, !tbaa !10
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%add66 = add nsw i32 %randv.3, %10
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%and67 = and i32 %add66, 1
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store i32 %and67, i32* %.pre220, align 4, !tbaa !10
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%shr70 = ashr i32 %randv.2207, 1
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br label %for.body37
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for.end73: ; preds = %for.cond34.preheader
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%call74 = tail call i32 @lrand48() #2
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%11 = load i32, i32* @reg_len, align 4, !tbaa !3
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%sub75 = add nsw i32 %11, -1
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%arrayidx76 = getelementptr inbounds i8, i8* %structure, i32 %sub75
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%12 = load i8, i8* %arrayidx76, align 1, !tbaa !12
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%cmp78 = icmp eq i8 %12, 49
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%f_free81 = getelementptr inbounds %struct.cells, %struct.cells* %5, i32 0, i32 0
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br i1 %cmp78, label %if.then80, label %for.end73.if.end85_crit_edge
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for.end73.if.end85_crit_edge: ; preds = %for.end73
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%.pre222 = getelementptr inbounds %struct.cells, %struct.cells* %5, i32 0, i32 1
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br label %if.end85
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if.then80: ; preds = %for.end73
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%13 = load i32, i32* %f_free81, align 4, !tbaa !7
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%add82 = add nsw i32 %13, %add11
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%faulty83 = getelementptr inbounds %struct.cells, %struct.cells* %5, i32 0, i32 1
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%14 = load i32, i32* %faulty83, align 4, !tbaa !10
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%add84 = add nsw i32 %14, %add12
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br label %if.end85
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if.end85: ; preds = %if.then80, %for.end73.if.end85_crit_edge
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%faulty100.pre-phi = phi i32* [ %.pre222, %for.end73.if.end85_crit_edge ], [ %faulty83, %if.then80 ]
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%savef_free.5 = phi i32 [ %add11, %for.end73.if.end85_crit_edge ], [ %add82, %if.then80 ]
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%savefaulty.5 = phi i32 [ %add12, %for.end73.if.end85_crit_edge ], [ %add84, %if.then80 ]
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%add86 = add nsw i32 %savef_free.5, %call74
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%and87 = and i32 %add86, 1
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store i32 %and87, i32* %f_free81, align 4, !tbaa !7
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%call89 = tail call i32 @lrand48() #2
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%rem90 = srem i32 %call89, 10000
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%conv91 = sitofp i32 %rem90 to double
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%div92 = fdiv double %conv91, 1.000000e+04
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%cmp93 = fcmp olt double %div92, %prob
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%xor96 = zext i1 %cmp93 to i32
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%randv.4 = xor i32 %xor96, %call74
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%add98 = add nsw i32 %randv.4, %savefaulty.5
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%and99 = and i32 %add98, 1
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store i32 %and99, i32* %faulty100.pre-phi, align 4, !tbaa !10
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br label %for.cond3.preheader
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}
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; Function Attrs: optsize
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declare i32 @lrand48()
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attributes #2 = { nounwind optsize }
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!llvm.module.flags = !{!0, !1}
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!llvm.ident = !{!2}
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!0 = !{i32 1, !"wchar_size", i32 4}
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!1 = !{i32 1, !"min_enum_size", i32 4}
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!2 = !{!"clang version 3.7.0 (trunk 236243)"}
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!3 = !{!4, !4, i64 0}
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!4 = !{!"int", !5, i64 0}
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!5 = !{!"omnipotent char", !6, i64 0}
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!6 = !{!"Simple C/C++ TBAA"}
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!7 = !{!8, !4, i64 0}
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!8 = !{!"cells", !4, i64 0, !4, i64 4, !9, i64 8}
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!9 = !{!"any pointer", !5, i64 0}
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!10 = !{!8, !4, i64 4}
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!11 = !{!8, !9, i64 8}
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!12 = !{!5, !5, i64 0}
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