Test source: git
Source: <stdin> ---------------------------------------- define void @slsr1(i32 %b, i32 %s) { %0: %mul0 = mul i32 %b, %s call void @foo(i32 %mul0) %b1 = add i32 %b, 1 %mul1 = mul i32 %b1, %s call void @foo(i32 %mul1) %b2 = add i32 %b, 2 %mul2 = mul i32 %b2, %s call void @foo(i32 %mul2) ret void } => define void @slsr1(i32 %b, i32 %s) { %0: %mul0 = mul i32 %b, %s call void @foo(i32 %mul0) %mul1 = add i32 %mul0, %s call void @foo(i32 %mul1) %mul2 = add i32 %mul1, %s call void @foo(i32 %mul2) ret void } Transformation doesn't verify! ERROR: Timeout ---------------------------------------- define void @non_canonicalized(i32 %b, i32 %s) { %0: %mul0 = mul i32 %b, %s call void @foo(i32 %mul0) %b1 = add i32 1, %b %mul1 = mul i32 %b1, %s call void @foo(i32 %mul1) %b2 = add i32 2, %b %mul2 = mul i32 %b2, %s call void @foo(i32 %mul2) ret void } => define void @non_canonicalized(i32 %b, i32 %s) { %0: %mul0 = mul i32 %b, %s call void @foo(i32 %mul0) %mul1 = add i32 %mul0, %s call void @foo(i32 %mul1) %mul2 = add i32 %mul1, %s call void @foo(i32 %mul2) ret void } Transformation doesn't verify! ERROR: Timeout ---------------------------------------- define void @or(i32 %a, i32 %s) { %0: %b = shl i32 %a, 1 %mul0 = mul i32 %b, %s call void @foo(i32 %mul0) %b1 = or i32 %b, 1 %mul1 = mul i32 %b1, %s call void @foo(i32 %mul1) %b2 = or i32 %b, 2 %mul2 = mul i32 %b2, %s call void @foo(i32 %mul2) ret void } => define void @or(i32 %a, i32 %s) { %0: %b = shl i32 %a, 1 %mul0 = mul i32 %b, %s call void @foo(i32 %mul0) %mul1 = add i32 %mul0, %s call void @foo(i32 %mul1) %b2 = or i32 %b, 2 %mul2 = mul i32 %b2, %s call void @foo(i32 %mul2) ret void } Transformation doesn't verify! ERROR: Timeout ---------------------------------------- define void @slsr2(i32 %a, i32 %b) { %0: %a1 = add i32 %a, 1 %b1 = add i32 %b, 1 %mul0 = mul i32 %a, %b %mul1 = mul i32 %a1, %b %mul2 = mul i32 %a, %b1 %mul3 = mul i32 %a1, %b1 call void @foo(i32 %mul0) call void @foo(i32 %mul1) call void @foo(i32 %mul2) call void @foo(i32 %mul3) ret void } => define void @slsr2(i32 %a, i32 %b) { %0: %a1 = add i32 %a, 1 %mul0 = mul i32 %a, %b %mul1 = add i32 %mul0, %b %mul2 = add i32 %mul0, %a %mul3 = add i32 %mul1, %a1 call void @foo(i32 %mul0) call void @foo(i32 %mul1) call void @foo(i32 %mul2) call void @foo(i32 %mul3) ret void } Transformation doesn't verify! ERROR: Source is more defined than target Example: i32 %a = #xc000682d (3221252141, -1073715155) i32 %b = undef Source: i32 %a1 = #xc000682e (3221252142, -1073715154) i32 %b1 = #x00000001 (1) [based on undef value] i32 %mul0 = #x00000000 (0) [based on undef value] i32 %mul1 = #x00000000 (0) [based on undef value] i32 %mul2 = #xc000682d (3221252141, -1073715155) i32 %mul3 = #xc000682e (3221252142, -1073715154) [based on undef value] SOURCE MEMORY STATE =================== NON-LOCAL BLOCKS: Block 0 > size: 0 align: 1 alloc type: 0 Block 1 > size: 0 align: 1 Target: i32 %a1 = #xc000682e (3221252142, -1073715154) i32 %mul0 = #x9c9b0dcd (2627407309, -1667559987) i32 %mul1 = #x17432dee (390278638) i32 %mul2 = #x5c9b75fa (1553692154) i32 %mul3 = #xd743961c (3611530780, -683436516) void = UB triggered! ------------------- SMT STATS ------------------- Num queries: 16 Num invalid: 0 Num skips: 0 Num trivial: 13 (44.8%) Num timeout: 3 (18.8%) Num errors: 0 (0.0%) Num SAT: 13 (81.2%) Num UNSAT: 0 (0.0%) Alive2: Transform doesn't verify; aborting!
+ : 'RUN: at line 1' + /home/nlopes/alive2/build/opt-alive.sh -slsr -gvn -S + /home/nlopes/llvm/build/bin/FileCheck /home/nlopes/llvm/llvm/test/Transforms/StraightLineStrengthReduce/slsr-mul.ll FileCheck error: '<stdin>' is empty. FileCheck command line: /home/nlopes/llvm/build/bin/FileCheck /home/nlopes/llvm/llvm/test/Transforms/StraightLineStrengthReduce/slsr-mul.ll
NOTE: This test would pass if undef didn't exist!