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: Source is more defined than target Example: i32 %b = #xd880d60b (3632322059, -662645237) i32 %s = undef Source: i32 %mul0 = #x00000000 (0) [based on undef value] i32 %b1 = #xd880d60c (3632322060, -662645236) i32 %mul1 = #x00000000 (0) [based on undef value] i32 %b2 = #xd880d60d (3632322061, -662645235) i32 %mul2 = #x00000000 (0) [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 %mul0 = #xd5248840 (3575941184, -719026112) i32 %mul1 = #x87b8e13f (2277040447, -2017926849) i32 %mul2 = #x82558400 (2186642432, -2108324864) ------------------- SMT STATS ------------------- Num queries: 5 Num invalid: 0 Num skips: 0 Num trivial: 10 (66.7%) Num timeout: 2 (40.0%) Num errors: 0 (0.0%) Num SAT: 3 (60.0%) 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!