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[PowerPC] add more FMF debug output; NFC 

We can't see all of the problems currently unless
we look at debug output when the global 'unsafe' is
on. It's a mess. This is another attempt to make
sure that D45710 is not making changes unintentionally.

llvm-svn: 331476
This commit is contained in:
Sanjay Patel 2018-05-03 18:49:35 +00:00
parent 8242ca3312
commit 52151885e4
1 changed files with 28 additions and 3 deletions
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31
llvm/test/CodeGen/PowerPC/fmf-propagation.ll
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@ -1,8 +1,9 @@
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; REQUIRES: asserts
; RUN: llc < %s -mtriple=powerpc64le -debug-only=isel -o /dev/null 2>&1 | FileCheck %s --check-prefix=FMFDEBUG
; RUN: llc < %s -mtriple=powerpc64le | FileCheck %s --check-prefix=FMF
; RUN: llc < %s -mtriple=powerpc64le -enable-unsafe-fp-math | FileCheck %s --check-prefix=GLOBAL
; RUN: llc < %s -mtriple=powerpc64le -debug-only=isel -o /dev/null 2>&1 | FileCheck %s --check-prefix=FMFDEBUG
; RUN: llc < %s -mtriple=powerpc64le | FileCheck %s --check-prefix=FMF
; RUN: llc < %s -mtriple=powerpc64le -debug-only=isel -o /dev/null 2>&1 -enable-unsafe-fp-math | FileCheck %s --check-prefix=GLOBALDEBUG
; RUN: llc < %s -mtriple=powerpc64le -enable-unsafe-fp-math | FileCheck %s --check-prefix=GLOBAL
; Test FP transforms using instruction/node-level fast-math-flags.
; We're also checking debug output to verify that FMF is propagated to the newly created nodes.
@ -159,6 +160,10 @@ define float @fmul_fadd_fast2(float %x, float %y, float %z) {
; FMFDEBUG: fma {{t[0-9]+}}
; FMFDEBUG: Type-legalized selection DAG: %bb.0 'fmul_fma_reassoc1:'
; GLOBALDEBUG-LABEL: Optimized lowered selection DAG: %bb.0 'fmul_fma_reassoc1:'
; GLOBALDEBUG: fmul unsafe {{t[0-9]+}}
; GLOBALDEBUG: Type-legalized selection DAG: %bb.0 'fmul_fma_reassoc1:'
define float @fmul_fma_reassoc1(float %x) {
; FMF-LABEL: fmul_fma_reassoc1:
; FMF: # %bb.0:
@ -191,6 +196,10 @@ define float @fmul_fma_reassoc1(float %x) {
; FMFDEBUG: fma {{t[0-9]+}}
; FMFDEBUG: Type-legalized selection DAG: %bb.0 'fmul_fma_reassoc2:'
; GLOBALDEBUG-LABEL: Optimized lowered selection DAG: %bb.0 'fmul_fma_reassoc2:'
; GLOBALDEBUG: fmul unsafe {{t[0-9]+}}
; GLOBALDEBUG: Type-legalized selection DAG: %bb.0 'fmul_fma_reassoc2:'
define float @fmul_fma_reassoc2(float %x) {
; FMF-LABEL: fmul_fma_reassoc2:
; FMF: # %bb.0:
@ -223,6 +232,10 @@ define float @fmul_fma_reassoc2(float %x) {
; FMFDEBUG: fma {{t[0-9]+}}
; FMFDEBUG: Type-legalized selection DAG: %bb.0 'fmul_fma_fast1:'
; GLOBALDEBUG-LABEL: Optimized lowered selection DAG: %bb.0 'fmul_fma_fast1:'
; GLOBALDEBUG: fmul unsafe {{t[0-9]+}}
; GLOBALDEBUG: Type-legalized selection DAG: %bb.0 'fmul_fma_fast1:'
define float @fmul_fma_fast1(float %x) {
; FMF-LABEL: fmul_fma_fast1:
; FMF: # %bb.0:
@ -255,6 +268,10 @@ define float @fmul_fma_fast1(float %x) {
; FMFDEBUG: fma {{t[0-9]+}}
; FMFDEBUG: Type-legalized selection DAG: %bb.0 'fmul_fma_fast2:'
; GLOBALDEBUG-LABEL: Optimized lowered selection DAG: %bb.0 'fmul_fma_fast2:'
; GLOBALDEBUG: fmul unsafe {{t[0-9]+}}
; GLOBALDEBUG: Type-legalized selection DAG: %bb.0 'fmul_fma_fast2:'
define float @fmul_fma_fast2(float %x) {
; FMF-LABEL: fmul_fma_fast2:
; FMF: # %bb.0:
@ -287,6 +304,10 @@ define float @fmul_fma_fast2(float %x) {
; FMFDEBUG: fsqrt {{t[0-9]+}}
; FMFDEBUG: Type-legalized selection DAG: %bb.0 'sqrt_afn:'
; GLOBALDEBUG-LABEL: Optimized lowered selection DAG: %bb.0 'sqrt_afn:'
; GLOBALDEBUG: fmul unsafe {{t[0-9]+}}
; GLOBALDEBUG: Type-legalized selection DAG: %bb.0 'sqrt_afn:'
define float @sqrt_afn(float %x) {
; FMF-LABEL: sqrt_afn:
; FMF: # %bb.0:
@ -323,6 +344,10 @@ define float @sqrt_afn(float %x) {
; FMFDEBUG: fsqrt {{t[0-9]+}}
; FMFDEBUG: Type-legalized selection DAG: %bb.0 'sqrt_fast:'
; GLOBALDEBUG-LABEL: Optimized lowered selection DAG: %bb.0 'sqrt_fast:'
; GLOBALDEBUG: fmul unsafe {{t[0-9]+}}
; GLOBALDEBUG: Type-legalized selection DAG: %bb.0 'sqrt_fast:'
define float @sqrt_fast(float %x) {
; FMF-LABEL: sqrt_fast:
; FMF: # %bb.0: