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 = #x80020817 (2147616791, -2147350505) i32 %s = undef Source: i32 %mul0 = #x00000000 (0) [based on undef value] i32 %b1 = #x80020818 (2147616792, -2147350504) i32 %mul1 = #x00000000 (0) [based on undef value] i32 %b2 = #x80020819 (2147616793, -2147350503) 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: 65536 alloc type: 0 Target: i32 %mul0 = #x269742e0 (647447264) i32 %mul1 = #xdbb03600 (3685758464, -609208832) i32 %mul2 = #x49917840 (1234270272) ------------------- SMT STATS ------------------- Num queries: 5 Num invalid: 0 Num skips: 0 Num trivial: 0 (0.0%) Num timeout: 2 (40.0%) Num errors: 0 (0.0%) Num SAT: 3 (60.0%) Num UNSAT: 0 (0.0%)
+ : 'RUN: at line 1' + /home/nlopes//alive2/build/scripts/opt-alive.sh -slsr -gvn -S + /home/nlopes/llvm/build/bin/FileCheck /home/nlopes/llvm/llvm/test/Transforms/StraightLineStrengthReduce/slsr-mul.ll Alive2: Transform doesn't verify; aborting! 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!