Test Failure: Transforms/StraightLineStrengthReduce/NVPTX/reassociate-geps-and-slsr.ll

Test source: git

Log:

Source: <stdin>
-- 1. ModuleToFunctionPassAdaptor
-- 1. PassManager<llvm::Function> : Skipping NOP
-- 2. SeparateConstOffsetFromGEPPass

----------------------------------------
declare void @foo(float)

define void @slsr_after_reassociate_geps(ptr %arr, i32 %i) {
#0:
  %i2 = shl nsw i32 %i, 1
  %i3 = mul nsw i32 %i, 3
  %i4 = shl nsw i32 %i, 2
  %j1 = add nsw i32 %i, 5
  %p1 = gep inbounds ptr %arr, 4 x i32 %j1
  %v1 = load float, ptr %p1, align 4
  call void @foo(float %v1)
  %j2 = add nsw i32 %i2, 5
  %p2 = gep inbounds ptr %arr, 4 x i32 %j2
  %v2 = load float, ptr %p2, align 4
  call void @foo(float %v2)
  %j3 = add nsw i32 %i3, 5
  %p3 = gep inbounds ptr %arr, 4 x i32 %j3
  %v3 = load float, ptr %p3, align 4
  call void @foo(float %v3)
  %j4 = add nsw i32 %i4, 5
  %p4 = gep inbounds ptr %arr, 4 x i32 %j4
  %v4 = load float, ptr %p4, align 4
  call void @foo(float %v4)
  ret void
}
Transformation seems to be correct! (syntactically equal)

-- 3. SeparateConstOffsetFromGEPPass

----------------------------------------
declare void @foo(float)

define void @slsr_after_reassociate_geps(ptr %arr, i32 %i) {
#0:
  %i2 = shl nsw i32 %i, 1
  %i3 = mul nsw i32 %i, 3
  %i4 = shl nsw i32 %i, 2
  %j1 = add nsw i32 %i, 5
  %p1 = gep inbounds ptr %arr, 4 x i32 %j1
  %v1 = load float, ptr %p1, align 4
  call void @foo(float %v1)
  %j2 = add nsw i32 %i2, 5
  %p2 = gep inbounds ptr %arr, 4 x i32 %j2
  %v2 = load float, ptr %p2, align 4
  call void @foo(float %v2)
  %j3 = add nsw i32 %i3, 5
  %p3 = gep inbounds ptr %arr, 4 x i32 %j3
  %v3 = load float, ptr %p3, align 4
  call void @foo(float %v3)
  %j4 = add nsw i32 %i4, 5
  %p4 = gep inbounds ptr %arr, 4 x i32 %j4
  %v4 = load float, ptr %p4, align 4
  call void @foo(float %v4)
  ret void
}
=>
declare void @foo(float)

define void @slsr_after_reassociate_geps(ptr %arr, i32 %i) {
#0:
  %i2 = shl nsw i32 %i, 1
  %i3 = mul nsw i32 %i, 3
  %i4 = shl nsw i32 %i, 2
  %#1 = sext i32 %i to i64
  %#2 = gep ptr %arr, 4 x i64 %#1
  %p12 = gep inbounds ptr %#2, 1 x i64 20
  %v1 = load float, ptr %p12, align 4
  call void @foo(float %v1)
  %#3 = sext i32 %i2 to i64
  %#4 = gep ptr %arr, 4 x i64 %#3
  %p24 = gep inbounds ptr %#4, 1 x i64 20
  %v2 = load float, ptr %p24, align 4
  call void @foo(float %v2)
  %#5 = sext i32 %i3 to i64
  %#6 = gep ptr %arr, 4 x i64 %#5
  %p36 = gep inbounds ptr %#6, 1 x i64 20
  %v3 = load float, ptr %p36, align 4
  call void @foo(float %v3)
  %#7 = sext i32 %i4 to i64
  %#8 = gep ptr %arr, 4 x i64 %#7
  %p48 = gep inbounds ptr %#8, 1 x i64 20
  %v4 = load float, ptr %p48, align 4
  call void @foo(float %v4)
  ret void
}
Transformation doesn't verify! (unsound)
ERROR: Source is more defined than target

Example:
ptr %arr = pointer(non-local, block_id=1, offset=0) / Address=#x0000000004
i32 %i = #xfffffffc (4294967292, -4)

Source:
i32 %i2 = #xfffffff8 (4294967288, -8)
i32 %i3 = #xfffffff4 (4294967284, -12)
i32 %i4 = #xfffffff0 (4294967280, -16)
i32 %j1 = #x00000001 (1)
ptr %p1 = pointer(non-local, block_id=1, offset=4) / Address=#x0000000008
float %v1 = #x00000000 (+0.0)
void = function did not return!

SOURCE MEMORY STATE
===================
NON-LOCAL BLOCKS:
Block 0 >	size: 0	align: 4	alloc type: 0	alive: false	address: 0
Block 1 >	size: 8	align: 1	alloc type: 0	alive: true	address: 4
Contents:
1: #x00000000
*: poison

Block 2 >	size: 0	align: 1	alloc type: 0	alive: true	address: 13

Target:
i32 %i2 = #xfffffff8 (4294967288, -8)
i32 %i3 = #xfffffff4 (4294967284, -12)
i32 %i4 = #xfffffff0 (4294967280, -16)
i64 %#1 = #xfffffffffffffffc (18446744073709551612, -4)
ptr %#2 = pointer(non-local, block_id=1, offset=-16) / Address=#xfffffffff4
ptr %p12 = poison
float %v1 = UB triggered!


Pass: SeparateConstOffsetFromGEPPass
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' '-passes=separate-const-offset-from-gep,slsr,gvn' '-S' '-tv-smt-to=20000' '-tv-report-dir=/home/nlopes/alive2/build/logs' '-tv-smt-stats'
Wrote bitcode to: "/home/nlopes/alive2/build/logs/in_WLmXIZGa_GZLK.bc"


------------------- SMT STATS -------------------
Num queries: 48
Num invalid: 0
Num skips:   0
Num trivial: 13 (21.3%)
Num timeout: 0 (0.0%)
Num errors:  0 (0.0%)
Num SAT:     38 (79.2%)
Num UNSAT:   10 (20.8%)
Alive2: Transform doesn't verify; aborting!

stderr:

RUN: at line 2: /home/nlopes/alive2/build/opt-alive.sh < /bitbucket/nlopes/llvm/llvm/test/Transforms/StraightLineStrengthReduce/NVPTX/reassociate-geps-and-slsr.ll -passes=separate-const-offset-from-gep,slsr,gvn -S | /bitbucket/nlopes/llvm/build/bin/FileCheck /bitbucket/nlopes/llvm/llvm/test/Transforms/StraightLineStrengthReduce/NVPTX/reassociate-geps-and-slsr.ll
+ /bitbucket/nlopes/llvm/build/bin/FileCheck /bitbucket/nlopes/llvm/llvm/test/Transforms/StraightLineStrengthReduce/NVPTX/reassociate-geps-and-slsr.ll
+ /home/nlopes/alive2/build/opt-alive.sh -passes=separate-const-offset-from-gep,slsr,gvn -S

FileCheck error: '<stdin>' is empty.
FileCheck command line:  /bitbucket/nlopes/llvm/build/bin/FileCheck /bitbucket/nlopes/llvm/llvm/test/Transforms/StraightLineStrengthReduce/NVPTX/reassociate-geps-and-slsr.ll

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