Test Failure: Transforms/SLPVectorizer/RISCV/init-ext-node-not-truncable.ll

Test source: git

Log:

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

----------------------------------------
@h = global 128 bytes, align 16

define void @test() {
entry:
  %sext.0 = sext i8 0 to i32
  %sext.1 = sext i8 0 to i32
  %lshr.0 = lshr i32 0, %sext.0
  %lshr.1 = lshr i32 0, %sext.1
  %or.0 = or i32 %lshr.0, 4294967295
  %or.1 = or i32 %lshr.1, 0
  %zext.0 = zext i32 %or.0 to i64
  %zext.1 = zext i32 %or.1 to i64
  store i64 %zext.0, ptr @h, align 8
  %__constexpr_0 = gep inbounds ptr @h, 128 x i64 0, 8 x i64 1
  store i64 %zext.1, ptr %__constexpr_0, align 8
  ret void
}
Transformation seems to be correct! (syntactically equal)

-- 3. SLPVectorizerPass

----------------------------------------
@h = global 128 bytes, align 16

define void @test() {
entry:
  %sext.0 = sext i8 0 to i32
  %sext.1 = sext i8 0 to i32
  %lshr.0 = lshr i32 0, %sext.0
  %lshr.1 = lshr i32 0, %sext.1
  %or.0 = or i32 %lshr.0, 4294967295
  %or.1 = or i32 %lshr.1, 0
  %zext.0 = zext i32 %or.0 to i64
  %zext.1 = zext i32 %or.1 to i64
  store i64 %zext.0, ptr @h, align 16
  %__constexpr_0 = gep inbounds ptr @h, 128 x i64 0, 8 x i64 1
  store i64 %zext.1, ptr %__constexpr_0, align 8
  ret void
}
=>
@h = global 128 bytes, align 16

define void @test() {
entry:
  store <2 x i64> { -1, 0 }, ptr @h, align 16
  ret void
}
Transformation doesn't verify! (unsound)
ERROR: Mismatch in memory

Example:

Source:
i32 %sext.0 = #x00000000 (0)
i32 %sext.1 = #x00000000 (0)
i32 %lshr.0 = #x00000000 (0)
i32 %lshr.1 = #x00000000 (0)
i32 %or.0 = #xffffffff (4294967295, -1)
i32 %or.1 = #x00000000 (0)
i64 %zext.0 = #x00000000ffffffff (4294967295)
i64 %zext.1 = #x0000000000000000 (0)
ptr %__constexpr_0 = pointer(non-local, block_id=0, offset=8)

SOURCE MEMORY STATE
===================
NON-LOCAL BLOCKS:
Block 0 >	size: 128	align: 16	alloc type: 0	alive: true	address: 1920

Target:

Mismatch in pointer(non-local, block_id=0, offset=0)
Source value: #x00000000ffffffff
Target value: #xffffffffffffffff

Pass: SLPVectorizerPass
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=slp-vectorizer' '-mtriple=riscv64-unknown-linux-gnu' '-mattr=+v' '-slp-threshold=-5' '-tv-smt-to=20000' '-tv-report-dir=/home/nlopes/alive2/build/logs' '-tv-smt-stats'
Wrote bitcode to: "/home/nlopes/alive2/build/logs/in_YTQZ1GmS_ZVN5.bc"


------------------- SMT STATS -------------------
Num queries: 4
Num invalid: 0
Num skips:   0
Num trivial: 14 (77.8%)
Num timeout: 0 (0.0%)
Num errors:  0 (0.0%)
Num SAT:     4 (100.0%)
Num UNSAT:   0 (0.0%)
Alive2: Transform doesn't verify; aborting!

stderr:

RUN: at line 2: /home/nlopes/alive2/build/opt-alive.sh -S --passes=slp-vectorizer -mtriple=riscv64-unknown-linux-gnu -mattr="+v" < /bitbucket/nlopes/llvm/llvm/test/Transforms/SLPVectorizer/RISCV/init-ext-node-not-truncable.ll -slp-threshold=-5 | /bitbucket/nlopes/llvm/build/bin/FileCheck /bitbucket/nlopes/llvm/llvm/test/Transforms/SLPVectorizer/RISCV/init-ext-node-not-truncable.ll
+ /home/nlopes/alive2/build/opt-alive.sh -S --passes=slp-vectorizer -mtriple=riscv64-unknown-linux-gnu -mattr=+v -slp-threshold=-5
+ /bitbucket/nlopes/llvm/build/bin/FileCheck /bitbucket/nlopes/llvm/llvm/test/Transforms/SLPVectorizer/RISCV/init-ext-node-not-truncable.ll

FileCheck error: '<stdin>' is empty.
FileCheck command line:  /bitbucket/nlopes/llvm/build/bin/FileCheck /bitbucket/nlopes/llvm/llvm/test/Transforms/SLPVectorizer/RISCV/init-ext-node-not-truncable.ll

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