diff options
Diffstat (limited to 'test')
-rw-r--r-- | test/Feature/optnone-opt.ll | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/test/Feature/optnone-opt.ll b/test/Feature/optnone-opt.ll new file mode 100644 index 0000000000..f83e68ccfe --- /dev/null +++ b/test/Feature/optnone-opt.ll @@ -0,0 +1,74 @@ +; RUN: opt -S -debug %s 2>&1 | FileCheck %s --check-prefix=OPT-O0 +; RUN: opt -O1 -S -debug %s 2>&1 | FileCheck %s --check-prefix=OPT-O1 +; RUN: opt -O2 -S -debug %s 2>&1 | FileCheck %s --check-prefix=OPT-O1 --check-prefix=OPT-O2O3 +; RUN: opt -O3 -S -debug %s 2>&1 | FileCheck %s --check-prefix=OPT-O1 --check-prefix=OPT-O2O3 +; RUN: opt -bb-vectorize -dce -die -loweratomic -S -debug %s 2>&1 | FileCheck %s --check-prefix=OPT-MORE +; RUN: opt -indvars -licm -loop-deletion -loop-extract -loop-idiom -loop-instsimplify -loop-reduce -loop-reroll -loop-rotate -loop-unroll -loop-unswitch -S -debug %s 2>&1 | FileCheck %s --check-prefix=OPT-LOOP + +; REQUIRES: asserts + +; This test verifies that we don't run target independent IR-level +; optimizations on optnone functions. + +; Function Attrs: noinline optnone +define i32 @_Z3fooi(i32 %x) #0 { +entry: + %x.addr = alloca i32, align 4 + store i32 %x, i32* %x.addr, align 4 + br label %while.cond + +while.cond: ; preds = %while.body, %entry + %0 = load i32* %x.addr, align 4 + %dec = add nsw i32 %0, -1 + store i32 %dec, i32* %x.addr, align 4 + %tobool = icmp ne i32 %0, 0 + br i1 %tobool, label %while.body, label %while.end + +while.body: ; preds = %while.cond + br label %while.cond + +while.end: ; preds = %while.cond + ret i32 0 +} + +attributes #0 = { optnone noinline } + +; Nothing that runs at -O0 gets skipped. +; OPT-O0-NOT: Skipping pass + +; IR passes run at -O1 and higher. +; OPT-O1-DAG: Skipping pass 'Aggressive Dead Code Elimination' +; OPT-O1-DAG: Skipping pass 'Combine redundant instructions' +; OPT-O1-DAG: Skipping pass 'Dead Store Elimination' +; OPT-O1-DAG: Skipping pass 'Early CSE' +; OPT-O1-DAG: Skipping pass 'Jump Threading' +; OPT-O1-DAG: Skipping pass 'MemCpy Optimization' +; OPT-O1-DAG: Skipping pass 'Reassociate expressions' +; OPT-O1-DAG: Skipping pass 'Simplify the CFG' +; OPT-O1-DAG: Skipping pass 'Sparse Conditional Constant Propagation' +; OPT-O1-DAG: Skipping pass 'SROA' +; OPT-O1-DAG: Skipping pass 'Tail Call Elimination' +; OPT-O1-DAG: Skipping pass 'Value Propagation' + +; Additional IR passes run at -O2 and higher. +; OPT-O2O3-DAG: Skipping pass 'Global Value Numbering' +; OPT-O2O3-DAG: Skipping pass 'SLP Vectorizer' + +; Additional IR passes that opt doesn't turn on by default. +; OPT-MORE-DAG: Skipping pass 'Basic-Block Vectorization' +; OPT-MORE-DAG: Skipping pass 'Dead Code Elimination' +; OPT-MORE-DAG: Skipping pass 'Dead Instruction Elimination' +; OPT-MORE-DAG: Skipping pass 'Lower atomic intrinsics + +; Loop IR passes that opt doesn't turn on by default. +; OPT-LOOP-DAG: Skipping pass 'Delete dead loops' +; OPT-LOOP-DAG: Skipping pass 'Extract loops into new functions' +; OPT-LOOP-DAG: Skipping pass 'Induction Variable Simplification' +; OPT-LOOP-DAG: Skipping pass 'Loop Invariant Code Motion' +; OPT-LOOP-DAG: Skipping pass 'Loop Strength Reduction' +; OPT-LOOP-DAG: Skipping pass 'Recognize loop idioms' +; OPT-LOOP-DAG: Skipping pass 'Reroll loops' +; OPT-LOOP-DAG: Skipping pass 'Rotate Loops' +; OPT-LOOP-DAG: Skipping pass 'Simplify instructions in loops' +; OPT-LOOP-DAG: Skipping pass 'Unroll loops' +; OPT-LOOP-DAG: Skipping pass 'Unswitch loops' |