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authorAlon Zakai <alonzakai@gmail.com>2011-10-09 07:27:06 -0700
committerAlon Zakai <alonzakai@gmail.com>2011-10-09 07:27:06 -0700
commit8c35202927a7cd8f14b219e4949195e1e6bc6946 (patch)
tree2cc79d36f916c220b3bc449cba4d3ab602f534c4 /tools/autodebugger.py
parentefaf3590ac33702eeff423e31e85f690b1fc7eb2 (diff)
parent06354eda6092add55034c692bd65734a61083e8b (diff)
Merge branch 'llvm-svn'
Conflicts: src/dlmalloc.c tests/dlmalloc.c tests/runner.py tools/shared.py
Diffstat (limited to 'tools/autodebugger.py')
-rw-r--r--tools/autodebugger.py97
1 files changed, 85 insertions, 12 deletions
diff --git a/tools/autodebugger.py b/tools/autodebugger.py
index 9b51ebc9..f4c580a2 100644
--- a/tools/autodebugger.py
+++ b/tools/autodebugger.py
@@ -7,14 +7,18 @@ compare that to the output when compiled using emscripten.
import os, sys, re
+ALLOW_POINTERS = False
+MEMCPY = False
+
POSTAMBLE = '''
@.emscripten.autodebug.str = private constant [10 x i8] c"AD:%d,%d\\0A\\00", align 1 ; [#uses=1]
+@.emscripten.autodebug.str.f = private constant [11 x i8] c"AD:%d,%lf\\0A\\00", align 1 ; [#uses=1]
; [#uses=1]
define void @emscripten_autodebug_i64(i32 %line, i64 %value) {
entry:
%0 = sitofp i64 %value to double ; [#uses=1]
- %1 = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([10 x i8]* @.emscripten.autodebug.str, i32 0, i32 0), i32 %line, double %0) ; [#uses=0]
+ %1 = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([11 x i8]* @.emscripten.autodebug.str.f, i32 0, i32 0), i32 %line, double %0) ; [#uses=0]
br label %return
return: ; preds = %entry
@@ -57,7 +61,7 @@ return: ; preds = %entry
define void @emscripten_autodebug_float(i32 %line, float %value) {
entry:
%0 = fpext float %value to double ; [#uses=1]
- %1 = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([10 x i8]* @.emscripten.autodebug.str, i32 0, i32 0), i32 %line, double %0) ; [#uses=0]
+ %1 = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([11 x i8]* @.emscripten.autodebug.str.f, i32 0, i32 0), i32 %line, double %0) ; [#uses=0]
br label %return
return: ; preds = %entry
@@ -67,7 +71,7 @@ return: ; preds = %entry
; [#uses=1]
define void @emscripten_autodebug_double(i32 %line, double %value) {
entry:
- %0 = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([10 x i8]* @.emscripten.autodebug.str, i32 0, i32 0), i32 %line, double %value) ; [#uses=0]
+ %0 = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([11 x i8]* @.emscripten.autodebug.str.f, i32 0, i32 0), i32 %line, double %value) ; [#uses=0]
br label %return
return: ; preds = %entry
@@ -77,11 +81,12 @@ return: ; preds = %entry
POSTAMBLE_NEW = '''
@.emscripten.autodebug.str = private constant [10 x i8] c"AD:%d,%d\\0A\\00", align 1 ; [#uses=1]
+@.emscripten.autodebug.str.f = private constant [11 x i8] c"AD:%d,%lf\\0A\\00", align 1 ; [#uses=1]
; [#uses=1]
define void @emscripten_autodebug_i64(i32 %line, i64 %value) {
%1 = sitofp i64 %value to double
- %2 = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([10 x i8]* @.emscripten.autodebug.str, i32 0, i32 0), i32 %line, double %1) ; [#uses=0]
+ %2 = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([11 x i8]* @.emscripten.autodebug.str.f, i32 0, i32 0), i32 %line, double %1) ; [#uses=0]
ret void
}
@@ -108,13 +113,13 @@ define void @emscripten_autodebug_i8(i32 %line, i8 %value) {
; [#uses=1]
define void @emscripten_autodebug_float(i32 %line, float %value) {
%1 = fpext float %value to double ; [#uses=1]
- %2 = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([10 x i8]* @.emscripten.autodebug.str, i32 0, i32 0), i32 %line, double %1) ; [#uses=0]
+ %2 = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([11 x i8]* @.emscripten.autodebug.str.f, i32 0, i32 0), i32 %line, double %1) ; [#uses=0]
ret void
}
; [#uses=1]
define void @emscripten_autodebug_double(i32 %line, double %value) {
- %1 = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([10 x i8]* @.emscripten.autodebug.str, i32 0, i32 0), i32 %line, double %value) ; [#uses=0]
+ %1 = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([11 x i8]* @.emscripten.autodebug.str.f, i32 0, i32 0), i32 %line, double %value) ; [#uses=0]
ret void
}
'''
@@ -135,15 +140,83 @@ LLVM_STYLE_OLD = '<label>' not in data and 'entry:' in data
if not LLVM_STYLE_OLD:
POSTAMBLE = POSTAMBLE_NEW
+if MEMCPY:
+ POSTAMBLE = '''
+@.emscripten.memcpy.str = private constant [7 x i8] c"MC:%d\\0A\\00", align 1 ; [#uses=1]
+
+''' + POSTAMBLE + '''
+; [#uses=1]
+define void @emscripten_memcpy(i8* %destination, i8* %source, i32 %num, i32 %whati, i1 %sthis) nounwind {
+entry:
+ %destination.addr = alloca i8*, align 4 ; [#uses=3]
+ %source.addr = alloca i8*, align 4 ; [#uses=2]
+ %num.addr = alloca i32, align 4 ; [#uses=3]
+ %i = alloca i32, align 4 ; [#uses=5]
+ %src = alloca i8*, align 4 ; [#uses=5]
+ %dst = alloca i8*, align 4 ; [#uses=4]
+ store i8* %destination, i8** %destination.addr, align 4
+ store i8* %source, i8** %source.addr, align 4
+ store i32 %num, i32* %num.addr, align 4
+ %tmp = load i8** %source.addr, align 4 ; [#uses=1]
+ store i8* %tmp, i8** %src, align 4
+ %tmp2 = load i8** %destination.addr, align 4 ; [#uses=1]
+ store i8* %tmp2, i8** %dst, align 4
+ store i32 0, i32* %i, align 4
+ %tmp31 = load i32* %i, align 4 ; [#uses=1]
+ %tmp42 = load i32* %num.addr, align 4 ; [#uses=1]
+ %cmp3 = icmp ult i32 %tmp31, %tmp42 ; [#uses=1]
+ br i1 %cmp3, label %for.body, label %for.end
+
+for.body: ; preds = %for.body, %entry
+ %tmp5 = load i8** %src, align 4 ; [#uses=1]
+ %tmp6 = load i8* %tmp5 ; [#uses=1]
+ %conv = zext i8 %tmp6 to i32 ; [#uses=1]
+ %call = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([7 x i8]* @.emscripten.memcpy.str, i32 0, i32 0), i32 %conv); [#uses=0]
+ %tmp7 = load i8** %src, align 4 ; [#uses=1]
+ %tmp8 = load i8* %tmp7 ; [#uses=1]
+ %tmp9 = load i8** %dst, align 4 ; [#uses=1]
+ store i8 %tmp8, i8* %tmp9
+ %tmp10 = load i32* %i, align 4 ; [#uses=1]
+ %inc = add i32 %tmp10, 1 ; [#uses=1]
+ store i32 %inc, i32* %i, align 4
+ %tmp11 = load i8** %src, align 4 ; [#uses=1]
+ %incdec.ptr = getelementptr inbounds i8* %tmp11, i32 1 ; [#uses=1]
+ store i8* %incdec.ptr, i8** %src, align 4
+ %tmp12 = load i8** %dst, align 4 ; [#uses=1]
+ %incdec.ptr13 = getelementptr inbounds i8* %tmp12, i32 1 ; [#uses=1]
+ store i8* %incdec.ptr13, i8** %dst, align 4
+ %tmp3 = load i32* %i, align 4 ; [#uses=1]
+ %tmp4 = load i32* %num.addr, align 4 ; [#uses=1]
+ %cmp = icmp ult i32 %tmp3, %tmp4 ; [#uses=1]
+ br i1 %cmp, label %for.body, label %for.end
+
+for.end: ; preds = %for.body, %entry
+ %tmp14 = load i8** %destination.addr, align 4 ; [#uses=1]
+ ret void
+}
+'''
+
lines_added = 0
lines = data.split('\n')
for i in range(len(lines)):
- #if i == 5:
- # lines[i] += '\n
-
- m = re.match(' store (?P<type>i64|i32|i16|i8|float|double) %(?P<var>[\w.]+), .*', lines[i])
- if m and m.group('type') in ['i8', 'i16', 'i32', 'i64', 'float', 'double']:
- lines[i] += '\n call void @emscripten_autodebug_%s(i32 %d, %s %%%s)' % (m.group('type'), i+1+lines_added, m.group('type'), m.group('var'))
+ if MEMCPY:
+ if not lines[i].startswith('declare void'):
+ lines[i] = lines[i].replace('@llvm.memcpy.p0i8.p0i8.i32', '@emscripten_memcpy')
+ m = re.match(' store (?P<type>i64|i32|i16|i8|float|double|%?[\w\.\*]+) (?P<var>%?[\w.+_]+), .*', lines[i])
+ if m:
+ index = i+1+lines_added
+ if m.group('type') in ['i8', 'i16', 'i32', 'i64', 'float', 'double']:
+ lines[i] += '\n call void @emscripten_autodebug_%s(i32 %d, %s %s)' % (m.group('type'), index, m.group('type'), m.group('var'))
+ lines_added += 1
+ elif ALLOW_POINTERS and m.group('type').endswith('*') and m.group('type').count('*') == 1:
+ lines[i] += '\n %%ead.%d = ptrtoint %s %%%s to i32' % (index, m.group('type'), m.group('var'))
+ lines[i] += '\n call void @emscripten_autodebug_i32(i32 %d, i32 %%ead.%d)' % (index, index)
+ lines_added += 2
+ continue
+ m = re.match(' %(?P<var>[\w_.]+) = load (?P<type>i64|i32|i16|i8|float|double+)\* [^(].*.*', lines[i])
+ if m:
+ index = i+1+lines_added
+ lines[i] += '\n call void @emscripten_autodebug_%s(i32 %d, %s %%%s)' % (m.group('type'), index, m.group('type'), m.group('var'))
lines_added += 1
f = open(ofilename, 'w')