Test source: git
Source: <stdin>
-- 1. PGOIndirectCallPromotion
-- 2. PGOIndirectCallPromotion
----------------------------------------
define i64 @func1(ptr %a) {
#0:
ret i64 undef
}
Transformation seems to be correct! (syntactically equal)
----------------------------------------
define ptr @func2(i64 %a) {
#0:
ret ptr undef
}
Transformation seems to be correct! (syntactically equal)
----------------------------------------
define ptr @func3(ptr %a) {
#0:
ret ptr undef
}
Transformation seems to be correct! (syntactically equal)
----------------------------------------
define ptr @func4(double %f) {
#0:
ret ptr undef
}
Transformation seems to be correct! (syntactically equal)
----------------------------------------
@foo = global 8 bytes, align 8
define i64 @bar() {
#0:
%tmp = load ptr, ptr @foo, align 8
%call = call i64 %tmp(i64 1)
ret i64 %call
}
=>
declare ptr @func4(double)
declare ptr @func2(i64)
declare ptr @func3(ptr)
declare i64 @func1(ptr)
@foo = global 8 bytes, align 8
@func4 = constant ? bytes, exec, align 8
@func2 = constant ? bytes, exec, align 8
@func3 = constant ? bytes, exec, align 8
@func1 = constant ? bytes, exec, align 8
define i64 @bar() {
#0:
%tmp = load ptr, ptr @foo, align 8
%#1 = icmp eq ptr %tmp, @func4
br i1 %#1, label %if.true.direct_targ, label %if.false.orig_indirect
if.false.orig_indirect:
%#2 = icmp eq ptr %tmp, @func2
br i1 %#2, label %if.true.direct_targ1, label %if.false.orig_indirect2
if.true.direct_targ1:
%#3 = call ptr @func2(i64 1)
%#4 = ptrtoint ptr %#3 to i64
br label %if.end.icp3
if.false.orig_indirect2:
%#5 = icmp eq ptr %tmp, @func3
br i1 %#5, label %if.true.direct_targ4, label %if.false.orig_indirect5
if.true.direct_targ4:
%#6 = int2ptr i64 1 to ptr
%#7 = call ptr @func3(ptr %#6)
%#8 = ptrtoint ptr %#7 to i64
br label %if.end.icp6
if.false.orig_indirect5:
%#9 = icmp eq ptr %tmp, @func1
br i1 %#9, label %if.true.direct_targ7, label %if.false.orig_indirect8
if.true.direct_targ7:
%#10 = int2ptr i64 1 to ptr
%#11 = call i64 @func1(ptr %#10)
br label %if.end.icp9
if.false.orig_indirect8:
%call = call i64 %tmp(i64 1)
br label %if.end.icp9
if.end.icp9:
%#12 = phi i64 [ %call, %if.false.orig_indirect8 ], [ %#11, %if.true.direct_targ7 ]
br label %if.end.icp6
if.end.icp6:
%#13 = phi i64 [ %#12, %if.end.icp9 ], [ %#8, %if.true.direct_targ4 ]
br label %if.end.icp3
if.end.icp3:
%#14 = phi i64 [ %#13, %if.end.icp6 ], [ %#4, %if.true.direct_targ1 ]
br label %if.end.icp
if.true.direct_targ:
%#15 = bitcast i64 1 to double
%#16 = call ptr @func4(double %#15)
%#17 = ptrtoint ptr %#16 to i64
br label %if.end.icp
if.end.icp:
%#18 = phi i64 [ %#14, %if.end.icp3 ], [ %#17, %if.true.direct_targ ]
ret i64 %#18
}
Transformation doesn't verify! (unsound)
ERROR: Source is more defined than target
Example:
Source:
ptr %tmp = phy-ptr(addr=192) / Address=#x00000000000000c0
i64 %call = function did not return!
SOURCE MEMORY STATE
===================
NON-LOCAL BLOCKS:
Block 0 > size: 0 align: 8 alloc type: 0 alive: false address: 0
Block 1 > size: 1 align: 8 alloc type: 0 alive: true address: 8 const
Contents:
*: phy-ptr(addr=192), byte offset=0
Block 2 > size: 1 align: 8 alloc type: 0 alive: true address: 128 const
Contents:
*: phy-ptr(addr=192), byte offset=0
Block 3 > size: 9 align: 8 alloc type: 0 alive: true address: 40 const
Contents:
*: phy-ptr(addr=192), byte offset=0
Block 4 > size: 1 align: 8 alloc type: 0 alive: true address: 192 const
Contents:
*: phy-ptr(addr=192), byte offset=0
Block 5 > size: 8 align: 8 alloc type: 0 alive: true address: 32
Contents:
phy-ptr(addr=192), byte offset=0
Block 6 > size: 0 align: 1 alloc type: 0 alive: true address: 1
Contents:
*: phy-ptr(addr=192), byte offset=0
Block 7 > size: 0 align: 1 alloc type: 0 alive: true address: 8
Contents:
*: phy-ptr(addr=192), byte offset=0
Block 8 > size: 0 align: 4 alloc type: 0 alive: true address: 8
Contents:
*: phy-ptr(addr=192), byte offset=0
Target:
ptr %tmp = phy-ptr(addr=192) / Address=#x00000000000000c0
i1 %#1 = #x0 (0)
>> Jump to %if.false.orig_indirect
i1 %#2 = #x0 (0)
>> Jump to %if.false.orig_indirect2
i1 %#5 = #x0 (0)
>> Jump to %if.false.orig_indirect5
i1 %#9 = #x1 (1)
>> Jump to %if.true.direct_targ7
ptr %#10 = phy-ptr(addr=1) / Address=#x0000000000000001
Function @func1 triggered UB
Pass: PGOIndirectCallPromotion
Command line: '/home/nlopes/llvm/build/bin/opt' '-load=/home/nlopes/alive2/build/tv/tv.so' '-load-pass-plugin=/home/nlopes/alive2/build/tv/tv.so' '-tv-exit-on-error' '-S' '-passes=pgo-icall-prom' '-icp-total-percent-threshold=0' '-icp-max-prom=4' '-tv-smt-to=20000' '-tv-report-dir=/home/nlopes/alive2/build/logs' '-tv-smt-stats'
Wrote bitcode to: "/home/nlopes/alive2/build/logs/in_VIQvRsBY_XYJb.bc"
------------------- SMT STATS -------------------
Num queries: 64
Num invalid: 0
Num skips: 0
Num trivial: 7 (9.9%)
Num timeout: 0 (0.0%)
Num errors: 0 (0.0%)
Num SAT: 30 (46.9%)
Num UNSAT: 34 (53.1%)
Alive2: Transform doesn't verify; aborting!
RUN: at line 1: /home/nlopes/alive2/build/opt-alive.sh -S -passes=pgo-icall-prom -icp-total-percent-threshold=0 -icp-max-prom=4 < /bitbucket/nlopes/llvm/llvm/test/Transforms/Util/call-promotion-utils-ptrcast.ll 2>&1 | /bitbucket/nlopes/llvm/build/bin/FileCheck /bitbucket/nlopes/llvm/llvm/test/Transforms/Util/call-promotion-utils-ptrcast.ll
+ /home/nlopes/alive2/build/opt-alive.sh -S -passes=pgo-icall-prom -icp-total-percent-threshold=0 -icp-max-prom=4
+ /bitbucket/nlopes/llvm/build/bin/FileCheck /bitbucket/nlopes/llvm/llvm/test/Transforms/Util/call-promotion-utils-ptrcast.ll
/bitbucket/nlopes/llvm/llvm/test/Transforms/Util/call-promotion-utils-ptrcast.ll:30:10: error: CHECK: expected string not found in input
; CHECK: [[ARG:%[0-9]+]] = bitcast i64 1 to double
^
<stdin>:1:1: note: scanning from here
^
Input file: <stdin>
Check file: /bitbucket/nlopes/llvm/llvm/test/Transforms/Util/call-promotion-utils-ptrcast.ll
-dump-input=help explains the following input dump.
Input was:
<<<<<<
1:
check:30 X~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ error: no match found
>>>>>>