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llvm-mirror/test/Analysis/Profiling/edge-profiling.ll
Dan Gohman 205b641954 Change tests from "opt %s" to "opt < %s" so that opt doesn't see the
input filename so that opt doesn't print the input filename in the
output so that grep lines in the tests don't unintentionally match
strings in the input filename.

llvm-svn: 81537
2009-09-11 18:01:28 +00:00

140 lines
5.0 KiB
LLVM

; Test the edge profiling instrumentation.
; RUN: opt < %s -insert-edge-profiling -S | FileCheck %s
; ModuleID = '<stdin>'
@.str = private constant [12 x i8] c"hello world\00", align 1 ; <[12 x i8]*> [#uses=1]
@.str1 = private constant [6 x i8] c"franz\00", align 1 ; <[6 x i8]*> [#uses=1]
@.str2 = private constant [9 x i8] c"argc > 2\00", align 1 ; <[9 x i8]*> [#uses=1]
@.str3 = private constant [9 x i8] c"argc = 1\00", align 1 ; <[9 x i8]*> [#uses=1]
@.str4 = private constant [6 x i8] c"fritz\00", align 1 ; <[6 x i8]*> [#uses=1]
@.str5 = private constant [10 x i8] c"argc <= 1\00", align 1 ; <[10 x i8]*> [#uses=1]
; CHECK:@EdgeProfCounters
; CHECK:[19 x i32]
; CHECK:zeroinitializer
define void @oneblock() nounwind {
entry:
; CHECK:entry:
; CHECK:%OldFuncCounter
; CHECK:load
; CHECK:getelementptr
; CHECK:@EdgeProfCounters
; CHECK:i32 0
; CHECK:i32 0
; CHECK:%NewFuncCounter
; CHECK:add
; CHECK:%OldFuncCounter
; CHECK:store
; CHECK:%NewFuncCounter
; CHECK:getelementptr
; CHECK:@EdgeProfCounters
%0 = call i32 @puts(i8* getelementptr inbounds ([12 x i8]* @.str, i64 0, i64 0)) nounwind ; <i32> [#uses=0]
ret void
}
declare i32 @puts(i8*)
define i32 @main(i32 %argc, i8** %argv) nounwind {
entry:
; CHECK:entry:
%argc_addr = alloca i32 ; <i32*> [#uses=4]
%argv_addr = alloca i8** ; <i8***> [#uses=1]
%retval = alloca i32 ; <i32*> [#uses=2]
%j = alloca i32 ; <i32*> [#uses=4]
%i = alloca i32 ; <i32*> [#uses=4]
%0 = alloca i32 ; <i32*> [#uses=2]
; CHECK:call
; CHECK:@llvm_start_edge_profiling
; CHECK:@EdgeProfCounters
%"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0]
store i32 %argc, i32* %argc_addr
store i8** %argv, i8*** %argv_addr
store i32 0, i32* %i, align 4
br label %bb10
bb: ; preds = %bb10
; CHECK:bb:
%1 = load i32* %argc_addr, align 4 ; <i32> [#uses=1]
%2 = icmp sgt i32 %1, 1 ; <i1> [#uses=1]
br i1 %2, label %bb1, label %bb8
bb1: ; preds = %bb
; CHECK:bb1:
store i32 0, i32* %j, align 4
br label %bb6
bb2: ; preds = %bb6
; CHECK:bb2:
%3 = call i32 @puts(i8* getelementptr inbounds ([6 x i8]* @.str1, i64 0, i64 0)) nounwind ; <i32> [#uses=0]
%4 = load i32* %argc_addr, align 4 ; <i32> [#uses=1]
%5 = icmp sgt i32 %4, 2 ; <i1> [#uses=1]
br i1 %5, label %bb3, label %bb4
bb3: ; preds = %bb2
; CHECK:bb3:
%6 = call i32 @puts(i8* getelementptr inbounds ([9 x i8]* @.str2, i64 0, i64 0)) nounwind ; <i32> [#uses=0]
br label %bb5
bb4: ; preds = %bb2
; CHECK:bb4:
%7 = call i32 @puts(i8* getelementptr inbounds ([9 x i8]* @.str3, i64 0, i64 0)) nounwind ; <i32> [#uses=0]
br label %bb11
bb5: ; preds = %bb3
; CHECK:bb5:
%8 = call i32 @puts(i8* getelementptr inbounds ([6 x i8]* @.str4, i64 0, i64 0)) nounwind ; <i32> [#uses=0]
%9 = load i32* %j, align 4 ; <i32> [#uses=1]
%10 = add nsw i32 %9, 1 ; <i32> [#uses=1]
store i32 %10, i32* %j, align 4
br label %bb6
bb6: ; preds = %bb5, %bb1
; CHECK:bb6:
%11 = load i32* %j, align 4 ; <i32> [#uses=1]
%12 = load i32* %argc_addr, align 4 ; <i32> [#uses=1]
%13 = icmp slt i32 %11, %12 ; <i1> [#uses=1]
br i1 %13, label %bb2, label %bb7
bb7: ; preds = %bb6
; CHECK:bb7:
br label %bb9
bb8: ; preds = %bb
; CHECK:bb8:
%14 = call i32 @puts(i8* getelementptr inbounds ([10 x i8]* @.str5, i64 0, i64 0)) nounwind ; <i32> [#uses=0]
br label %bb9
bb9: ; preds = %bb8, %bb7
; CHECK:bb9:
%15 = load i32* %i, align 4 ; <i32> [#uses=1]
%16 = add nsw i32 %15, 1 ; <i32> [#uses=1]
store i32 %16, i32* %i, align 4
br label %bb10
bb10: ; preds = %bb9, %entry
; CHECK:bb10:
%17 = load i32* %i, align 4 ; <i32> [#uses=1]
%18 = icmp ne i32 %17, 3 ; <i1> [#uses=1]
br i1 %18, label %bb, label %bb11
; CHECK:br
; CHECK:label %bb10.bb11_crit_edge
; CHECK:bb10.bb11_crit_edge:
; CHECK:br
; CHECK:label %bb11
bb11: ; preds = %bb10, %bb4
; CHECK:bb11:
call void @oneblock() nounwind
store i32 0, i32* %0, align 4
%19 = load i32* %0, align 4 ; <i32> [#uses=1]
store i32 %19, i32* %retval, align 4
br label %return
return: ; preds = %bb11
; CHECK:return:
%retval12 = load i32* %retval ; <i32> [#uses=1]
ret i32 %retval12
}