[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

diff --git a/llvm/test/CodeGen/PowerPC/fmf-propagation.ll b/llvm/test/CodeGen/PowerPC/fmf-propagation.ll
index 21d367a..03b6a0b 100644 (file)
--- a/llvm/test/CodeGen/PowerPC/fmf-propagation.ll
+++ b/llvm/test/CodeGen/PowerPC/fmf-propagation.ll
@@ -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: