153 lines
		
	
	
		
			8.1 KiB
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			153 lines
		
	
	
		
			8.1 KiB
		
	
	
	
		
			LLVM
		
	
	
	
| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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| ; RUN: opt -jump-threading -S %s -o - | FileCheck %s --check-prefix=DEFAULT
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| ; RUN: opt -jump-threading -S -jump-threading-threshold=6 %s -o - | FileCheck %s --check-prefix=OVERIDE
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| 
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| @.str = private unnamed_addr constant [4 x i8] c"%d\0A\00", align 1
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| define i32 @test_minsize(i32 %argc, i8** nocapture readonly %argv) local_unnamed_addr #0 {
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| ; DEFAULT-LABEL: @test_minsize(
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| ; DEFAULT-NEXT:  entry:
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| ; DEFAULT-NEXT:    [[CMP:%.*]] = icmp eq i32 [[ARGC:%.*]], 2
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| ; DEFAULT-NEXT:    br i1 [[CMP]], label [[COND_TRUE:%.*]], label [[COND_END:%.*]]
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| ; DEFAULT:       cond.true:
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| ; DEFAULT-NEXT:    [[ARRAYIDX:%.*]] = getelementptr inbounds i8*, i8** [[ARGV:%.*]], i32 1
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| ; DEFAULT-NEXT:    [[TMP0:%.*]] = load i8*, i8** [[ARRAYIDX]], align 4
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| ; DEFAULT-NEXT:    [[CALL:%.*]] = tail call i32 @atoi(i8* [[TMP0]])
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| ; DEFAULT-NEXT:    br label [[COND_END]]
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| ; DEFAULT:       cond.end:
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| ; DEFAULT-NEXT:    [[COND:%.*]] = phi i32 [ [[CALL]], [[COND_TRUE]] ], [ 46, [[ENTRY:%.*]] ]
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| ; DEFAULT-NEXT:    [[TMP1:%.*]] = mul i32 [[COND]], [[COND]]
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| ; DEFAULT-NEXT:    [[TMP2:%.*]] = mul i32 [[TMP1]], [[TMP1]]
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| ; DEFAULT-NEXT:    [[TMP3:%.*]] = mul i32 [[COND]], [[TMP2]]
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| ; DEFAULT-NEXT:    [[TMP4:%.*]] = icmp sgt i32 [[COND]], 0
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| ; DEFAULT-NEXT:    br i1 [[TMP4]], label [[TMP5:%.*]], label [[TMP6:%.*]]
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| ; DEFAULT:       5:
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| ; DEFAULT-NEXT:    br label [[TMP6]]
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| ; DEFAULT:       6:
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| ; DEFAULT-NEXT:    [[TMP7:%.*]] = phi i32 [ [[COND]], [[TMP5]] ], [ 0, [[COND_END]] ]
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| ; DEFAULT-NEXT:    [[TMP8:%.*]] = mul i32 [[TMP3]], [[TMP7]]
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| ; DEFAULT-NEXT:    [[CALL33:%.*]] = tail call i32 (i8*, ...) @printf(i8* nonnull dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i32 0, i32 0), i32 [[TMP8]])
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| ; DEFAULT-NEXT:    ret i32 0
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| ;
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| ; OVERIDE-LABEL: @test_minsize(
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| ; OVERIDE-NEXT:  entry:
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| ; OVERIDE-NEXT:    [[CMP:%.*]] = icmp eq i32 [[ARGC:%.*]], 2
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| ; OVERIDE-NEXT:    br i1 [[CMP]], label [[COND_END:%.*]], label [[COND_END_THREAD:%.*]]
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| ; OVERIDE:       cond.end:
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| ; OVERIDE-NEXT:    [[ARRAYIDX:%.*]] = getelementptr inbounds i8*, i8** [[ARGV:%.*]], i32 1
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| ; OVERIDE-NEXT:    [[TMP0:%.*]] = load i8*, i8** [[ARRAYIDX]], align 4
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| ; OVERIDE-NEXT:    [[CALL:%.*]] = tail call i32 @atoi(i8* [[TMP0]])
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| ; OVERIDE-NEXT:    [[TMP1:%.*]] = mul i32 [[CALL]], [[CALL]]
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| ; OVERIDE-NEXT:    [[TMP2:%.*]] = mul i32 [[TMP1]], [[TMP1]]
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| ; OVERIDE-NEXT:    [[TMP3:%.*]] = mul i32 [[CALL]], [[TMP2]]
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| ; OVERIDE-NEXT:    [[TMP4:%.*]] = icmp sgt i32 [[CALL]], 0
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| ; OVERIDE-NEXT:    br i1 [[TMP4]], label [[COND_END_THREAD]], label [[TMP6:%.*]]
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| ; OVERIDE:       cond.end.thread:
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| ; OVERIDE-NEXT:    [[TMP5:%.*]] = phi i32 [ [[TMP3]], [[COND_END]] ], [ 205962976, [[ENTRY:%.*]] ]
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| ; OVERIDE-NEXT:    [[COND2:%.*]] = phi i32 [ [[CALL]], [[COND_END]] ], [ 46, [[ENTRY]] ]
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| ; OVERIDE-NEXT:    br label [[TMP6]]
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| ; OVERIDE:       6:
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| ; OVERIDE-NEXT:    [[TMP7:%.*]] = phi i32 [ [[TMP5]], [[COND_END_THREAD]] ], [ [[TMP3]], [[COND_END]] ]
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| ; OVERIDE-NEXT:    [[TMP8:%.*]] = phi i32 [ [[COND2]], [[COND_END_THREAD]] ], [ 0, [[COND_END]] ]
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| ; OVERIDE-NEXT:    [[TMP9:%.*]] = mul i32 [[TMP7]], [[TMP8]]
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| ; OVERIDE-NEXT:    [[CALL33:%.*]] = tail call i32 (i8*, ...) @printf(i8* nonnull dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i32 0, i32 0), i32 [[TMP9]])
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| ; OVERIDE-NEXT:    ret i32 0
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| ;
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| entry:
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|   %cmp = icmp eq i32 %argc, 2
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|   br i1 %cmp, label %cond.true, label %cond.end
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| 
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| cond.true:                                        ; preds = %entry
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|   %arrayidx = getelementptr inbounds i8*, i8** %argv, i32 1
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|   %0 = load i8*, i8** %arrayidx, align 4
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|   %call = tail call i32 @atoi(i8* %0)
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|   br label %cond.end
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| 
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| cond.end:                                         ; preds = %entry, %cond.true
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|   %cond = phi i32 [ %call, %cond.true ], [ 46, %entry ]
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|   %1 = mul i32 %cond, %cond
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|   %2 = mul i32 %1, %1
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|   %3 = mul i32 %cond, %2
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|   %4 = icmp sgt i32 %cond, 0
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|   %spec.select = select i1 %4, i32 %cond, i32 0
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|   %5 = mul i32 %3, %spec.select
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|   %call33 = tail call i32 (i8*, ...) @printf(i8* nonnull dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i32 0, i32 0), i32 %5) #4
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|   ret i32 0
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| }
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| 
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| define i32 @test_optsize(i32 %argc, i8** nocapture readonly %argv) local_unnamed_addr #1 {
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| ; DEFAULT-LABEL: @test_optsize(
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| ; DEFAULT-NEXT:  entry:
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| ; DEFAULT-NEXT:    [[CMP:%.*]] = icmp eq i32 [[ARGC:%.*]], 2
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| ; DEFAULT-NEXT:    br i1 [[CMP]], label [[COND_END:%.*]], label [[COND_END_THREAD:%.*]]
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| ; DEFAULT:       cond.end:
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| ; DEFAULT-NEXT:    [[ARRAYIDX:%.*]] = getelementptr inbounds i8*, i8** [[ARGV:%.*]], i32 1
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| ; DEFAULT-NEXT:    [[TMP0:%.*]] = load i8*, i8** [[ARRAYIDX]], align 4
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| ; DEFAULT-NEXT:    [[CALL:%.*]] = tail call i32 @atoi(i8* [[TMP0]])
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| ; DEFAULT-NEXT:    [[TMP1:%.*]] = mul i32 [[CALL]], [[CALL]]
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| ; DEFAULT-NEXT:    [[TMP2:%.*]] = mul i32 [[TMP1]], [[TMP1]]
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| ; DEFAULT-NEXT:    [[TMP3:%.*]] = mul i32 [[CALL]], [[TMP2]]
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| ; DEFAULT-NEXT:    [[TMP4:%.*]] = icmp sgt i32 [[CALL]], 0
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| ; DEFAULT-NEXT:    br i1 [[TMP4]], label [[COND_END_THREAD]], label [[TMP6:%.*]]
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| ; DEFAULT:       cond.end.thread:
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| ; DEFAULT-NEXT:    [[TMP5:%.*]] = phi i32 [ [[TMP3]], [[COND_END]] ], [ 205962976, [[ENTRY:%.*]] ]
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| ; DEFAULT-NEXT:    [[COND2:%.*]] = phi i32 [ [[CALL]], [[COND_END]] ], [ 46, [[ENTRY]] ]
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| ; DEFAULT-NEXT:    br label [[TMP6]]
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| ; DEFAULT:       6:
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| ; DEFAULT-NEXT:    [[TMP7:%.*]] = phi i32 [ [[TMP5]], [[COND_END_THREAD]] ], [ [[TMP3]], [[COND_END]] ]
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| ; DEFAULT-NEXT:    [[TMP8:%.*]] = phi i32 [ [[COND2]], [[COND_END_THREAD]] ], [ 0, [[COND_END]] ]
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| ; DEFAULT-NEXT:    [[TMP9:%.*]] = mul i32 [[TMP7]], [[TMP8]]
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| ; DEFAULT-NEXT:    [[CALL33:%.*]] = tail call i32 (i8*, ...) @printf(i8* nonnull dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i32 0, i32 0), i32 [[TMP9]])
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| ; DEFAULT-NEXT:    ret i32 0
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| ;
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| ; OVERIDE-LABEL: @test_optsize(
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| ; OVERIDE-NEXT:  entry:
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| ; OVERIDE-NEXT:    [[CMP:%.*]] = icmp eq i32 [[ARGC:%.*]], 2
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| ; OVERIDE-NEXT:    br i1 [[CMP]], label [[COND_END:%.*]], label [[COND_END_THREAD:%.*]]
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| ; OVERIDE:       cond.end:
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| ; OVERIDE-NEXT:    [[ARRAYIDX:%.*]] = getelementptr inbounds i8*, i8** [[ARGV:%.*]], i32 1
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| ; OVERIDE-NEXT:    [[TMP0:%.*]] = load i8*, i8** [[ARRAYIDX]], align 4
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| ; OVERIDE-NEXT:    [[CALL:%.*]] = tail call i32 @atoi(i8* [[TMP0]])
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| ; OVERIDE-NEXT:    [[TMP1:%.*]] = mul i32 [[CALL]], [[CALL]]
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| ; OVERIDE-NEXT:    [[TMP2:%.*]] = mul i32 [[TMP1]], [[TMP1]]
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| ; OVERIDE-NEXT:    [[TMP3:%.*]] = mul i32 [[CALL]], [[TMP2]]
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| ; OVERIDE-NEXT:    [[TMP4:%.*]] = icmp sgt i32 [[CALL]], 0
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| ; OVERIDE-NEXT:    br i1 [[TMP4]], label [[COND_END_THREAD]], label [[TMP6:%.*]]
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| ; OVERIDE:       cond.end.thread:
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| ; OVERIDE-NEXT:    [[TMP5:%.*]] = phi i32 [ [[TMP3]], [[COND_END]] ], [ 205962976, [[ENTRY:%.*]] ]
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| ; OVERIDE-NEXT:    [[COND2:%.*]] = phi i32 [ [[CALL]], [[COND_END]] ], [ 46, [[ENTRY]] ]
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| ; OVERIDE-NEXT:    br label [[TMP6]]
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| ; OVERIDE:       6:
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| ; OVERIDE-NEXT:    [[TMP7:%.*]] = phi i32 [ [[TMP5]], [[COND_END_THREAD]] ], [ [[TMP3]], [[COND_END]] ]
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| ; OVERIDE-NEXT:    [[TMP8:%.*]] = phi i32 [ [[COND2]], [[COND_END_THREAD]] ], [ 0, [[COND_END]] ]
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| ; OVERIDE-NEXT:    [[TMP9:%.*]] = mul i32 [[TMP7]], [[TMP8]]
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| ; OVERIDE-NEXT:    [[CALL33:%.*]] = tail call i32 (i8*, ...) @printf(i8* nonnull dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i32 0, i32 0), i32 [[TMP9]])
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| ; OVERIDE-NEXT:    ret i32 0
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| ;
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| entry:
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|   %cmp = icmp eq i32 %argc, 2
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|   br i1 %cmp, label %cond.true, label %cond.end
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| 
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| cond.true:                                        ; preds = %entry
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|   %arrayidx = getelementptr inbounds i8*, i8** %argv, i32 1
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|   %0 = load i8*, i8** %arrayidx, align 4
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|   %call = tail call i32 @atoi(i8* %0)
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|   br label %cond.end
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| 
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| cond.end:                                         ; preds = %entry, %cond.true
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|   %cond = phi i32 [ %call, %cond.true ], [ 46, %entry ]
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|   %1 = mul i32 %cond, %cond
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|   %2 = mul i32 %1, %1
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|   %3 = mul i32 %cond, %2
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|   %4 = icmp sgt i32 %cond, 0
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|   %spec.select = select i1 %4, i32 %cond, i32 0
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|   %5 = mul i32 %3, %spec.select
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|   %call33 = tail call i32 (i8*, ...) @printf(i8* nonnull dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i32 0, i32 0), i32 %5) #4
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|   ret i32 0
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| }
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| declare i32 @atoi(i8* nocapture) local_unnamed_addr
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| declare i32 @printf(i8* nocapture readonly, ...) local_unnamed_addr
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| 
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| attributes #0 = { minsize optsize }
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| attributes #1 = { optsize }
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| 
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