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 = #xf0116283 (4027671171, -267296125) i32 %s = undef Source: i32 %mul0 = #x00000000 (0) [based on undef value] i32 %b1 = #xf0116284 (4027671172, -267296124) i32 %mul1 = #x00000000 (0) [based on undef value] i32 %b2 = #xf0116285 (4027671173, -267296123) 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: 2 alloc type: 0 Target: i32 %mul0 = #x01a3a000 (27500544) i32 %mul1 = #x27fb01e0 (670761440) i32 %mul2 = #xe9cc8910 (3922495760, -372471536) ------------------- 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!