[PPC] Enable transformations in PPCPassConfig::addIRPasses at O2

http://reviews.llvm.org/D18562

A large number of testcases has been modified so they pass after this test.
One testcase is deleted, because I realized even after undoing the original
change that was committed with this testcase, the testcase still passes. So
I removed it. The change to one other testcase (test/CodeGen/PowerPC/pr25802.ll)
is an arbitrary change to keep it passing. Given the original intention of the
testcase, and the fact that fixing it will require some time to change the testcase,
we concluded that this quick change will be enough.

llvm-svn: 265683
diff --git a/llvm/test/CodeGen/PowerPC/ec-input.ll b/llvm/test/CodeGen/PowerPC/ec-input.ll
index a57f69b..6ef93d2 100644
--- a/llvm/test/CodeGen/PowerPC/ec-input.ll
+++ b/llvm/test/CodeGen/PowerPC/ec-input.ll
@@ -17,7 +17,7 @@
 declare void @fprintf(%struct._IO_FILE.119.8249.32639.195239.200117.211499.218003.221255.222881.224507.226133.240767.244019.245645.248897.260279.271661.281417.283043.302555.304181.325319.326945.344713* nocapture, i8* nocapture readonly, ...) #0
 
 ; Function Attrs: inlinehint nounwind
-define void @_ZN4PAMI6Device2MU15ResourceManager46calculatePerCoreMUResourcesBasedOnAvailabilityEv() #1 align 2 {
+define void @_ZN4PAMI6Device2MU15ResourceManager46calculatePerCoreMUResourcesBasedOnAvailabilityEv(i32 %inp32, i64 %inp64) #1 align 2 {
 ; CHECK-LABEL: @_ZN4PAMI6Device2MU15ResourceManager46calculatePerCoreMUResourcesBasedOnAvailabilityEv
 ; CHECK: sc
 
@@ -32,7 +32,7 @@
   %minFreeBatIdsPerCore.097 = phi i64 [ 32, %entry ], [ %numFreeBatIdsInGroup.0.minFreeBatIdsPerCore.0, %if.end23.3 ]
   %minFreeRecFifosPerCore.096 = phi i64 [ 16, %entry ], [ %minFreeRecFifosPerCore.1, %if.end23.3 ]
   %minFreeInjFifosPerCore.095 = phi i64 [ 32, %entry ], [ %numFreeInjFifosInGroup.0.minFreeInjFifosPerCore.0, %if.end23.3 ]
-  %cmp5 = icmp eq i32 undef, 0
+  %cmp5 = icmp eq i32 %inp32, 0
   br i1 %cmp5, label %if.end, label %if.then
 
 if.then:                                          ; preds = %if.end23.2, %if.end23.1, %if.end23, %for.cond2.preheader
@@ -41,7 +41,7 @@
 if.end:                                           ; preds = %for.cond2.preheader
   %1 = load i32, i32* %numFreeResourcesInSubgroup, align 4
   %conv = zext i32 %1 to i64
-  %2 = call { i64, i64, i64, i64 } asm sideeffect "sc", "=&{r0},=&{r3},=&{r4},=&{r5},{r0},{r3},{r4},{r5},~{r6},~{r7},~{r8},~{r9},~{r10},~{r11},~{r12},~{cr0},~{memory}"(i64 1034, i64 %indvars.iv, i64 %0, i64 undef) #2
+  %2 = call { i64, i64, i64, i64 } asm sideeffect "sc", "=&{r0},=&{r3},=&{r4},=&{r5},{r0},{r3},{r4},{r5},~{r6},~{r7},~{r8},~{r9},~{r10},~{r11},~{r12},~{cr0},~{memory}"(i64 1034, i64 %indvars.iv, i64 %0, i64 %inp64) #2
   %cmp10 = icmp eq i32 0, 0
   br i1 %cmp10, label %if.end14, label %if.then11
 
@@ -50,11 +50,11 @@
 
 if.end14:                                         ; preds = %if.end
   %3 = load i32, i32* %numFreeResourcesInSubgroup, align 4
-  %cmp19 = icmp eq i32 undef, 0
+  %cmp19 = icmp eq i32 %inp32, 0
   br i1 %cmp19, label %if.end23, label %if.then20
 
 if.then20:                                        ; preds = %if.end14.3, %if.end14.2, %if.end14.1, %if.end14
-  %conv4.i65.lcssa = phi i32 [ undef, %if.end14 ], [ 0, %if.end14.1 ], [ %conv4.i65.2, %if.end14.2 ], [ %conv4.i65.3, %if.end14.3 ]
+  %conv4.i65.lcssa = phi i32 [ %inp32, %if.end14 ], [ 0, %if.end14.1 ], [ %conv4.i65.2, %if.end14.2 ], [ %conv4.i65.3, %if.end14.3 ]
   call void (%struct._IO_FILE.119.8249.32639.195239.200117.211499.218003.221255.222881.224507.226133.240767.244019.245645.248897.260279.271661.281417.283043.302555.304181.325319.326945.344713*, i8*, ...) @fprintf(%struct._IO_FILE.119.8249.32639.195239.200117.211499.218003.221255.222881.224507.226133.240767.244019.245645.248897.260279.271661.281417.283043.302555.304181.325319.326945.344713* undef, i8* getelementptr inbounds ([121 x i8], [121 x i8]* @.str236, i64 0, i64 0), i32 signext 2503) #3
   call void (%struct._IO_FILE.119.8249.32639.195239.200117.211499.218003.221255.222881.224507.226133.240767.244019.245645.248897.260279.271661.281417.283043.302555.304181.325319.326945.344713*, i8*, ...) @fprintf(%struct._IO_FILE.119.8249.32639.195239.200117.211499.218003.221255.222881.224507.226133.240767.244019.245645.248897.260279.271661.281417.283043.302555.304181.325319.326945.344713* undef, i8* getelementptr inbounds ([49 x i8], [49 x i8]* @.str294, i64 0, i64 0), i32 signext %conv4.i65.lcssa) #3
   unreachable
@@ -63,7 +63,7 @@
   %conv15 = zext i32 %3 to i64
   %4 = load i32, i32* %numFreeResourcesInSubgroup, align 4
   %conv24 = zext i32 %4 to i64
-  %5 = call { i64, i64, i64, i64 } asm sideeffect "sc", "=&{r0},=&{r3},=&{r4},=&{r5},{r0},{r3},{r4},{r5},~{r6},~{r7},~{r8},~{r9},~{r10},~{r11},~{r12},~{cr0},~{memory}"(i64 1033, i64 0, i64 %0, i64 undef) #2
+  %5 = call { i64, i64, i64, i64 } asm sideeffect "sc", "=&{r0},=&{r3},=&{r4},=&{r5},{r0},{r3},{r4},{r5},~{r6},~{r7},~{r8},~{r9},~{r10},~{r11},~{r12},~{cr0},~{memory}"(i64 1033, i64 0, i64 %0, i64 %inp64) #2
   %cmp5.1 = icmp eq i32 0, 0
   br i1 %cmp5.1, label %if.end.1, label %if.then
 
@@ -74,8 +74,8 @@
   %6 = load i32, i32* %numFreeResourcesInSubgroup, align 4
   %conv.1 = zext i32 %6 to i64
   %add.1 = add nuw nsw i64 %conv.1, %conv
-  %7 = call { i64, i64, i64, i64 } asm sideeffect "sc", "=&{r0},=&{r3},=&{r4},=&{r5},{r0},{r3},{r4},{r5},~{r6},~{r7},~{r8},~{r9},~{r10},~{r11},~{r12},~{cr0},~{memory}"(i64 1034, i64 0, i64 %0, i64 undef) #2
-  %cmp10.1 = icmp eq i32 undef, 0
+  %7 = call { i64, i64, i64, i64 } asm sideeffect "sc", "=&{r0},=&{r3},=&{r4},=&{r5},{r0},{r3},{r4},{r5},~{r6},~{r7},~{r8},~{r9},~{r10},~{r11},~{r12},~{cr0},~{memory}"(i64 1034, i64 0, i64 %0, i64 %inp64) #2
+  %cmp10.1 = icmp eq i32 %inp32, 0
   br i1 %cmp10.1, label %if.end14.1, label %if.then11
 
 if.end14.1:                                       ; preds = %if.end.1
@@ -89,20 +89,20 @@
   %9 = load i32, i32* %numFreeResourcesInSubgroup, align 4
   %conv24.1 = zext i32 %9 to i64
   %add25.1 = add nuw nsw i64 %conv24.1, %conv24
-  %cmp5.2 = icmp eq i32 undef, 0
+  %cmp5.2 = icmp eq i32 %inp32, 0
   br i1 %cmp5.2, label %if.end.2, label %if.then
 
 if.end.2:                                         ; preds = %if.end23.1
   %10 = load i32, i32* %numFreeResourcesInSubgroup, align 4
   %conv.2 = zext i32 %10 to i64
   %add.2 = add nuw nsw i64 %conv.2, %add.1
-  %11 = call { i64, i64, i64, i64 } asm sideeffect "sc", "=&{r0},=&{r3},=&{r4},=&{r5},{r0},{r3},{r4},{r5},~{r6},~{r7},~{r8},~{r9},~{r10},~{r11},~{r12},~{cr0},~{memory}"(i64 1034, i64 undef, i64 %0, i64 undef) #2
+  %11 = call { i64, i64, i64, i64 } asm sideeffect "sc", "=&{r0},=&{r3},=&{r4},=&{r5},{r0},{r3},{r4},{r5},~{r6},~{r7},~{r8},~{r9},~{r10},~{r11},~{r12},~{cr0},~{memory}"(i64 1034, i64 %inp64, i64 %0, i64 %inp64) #2
   %cmp10.2 = icmp eq i32 0, 0
   br i1 %cmp10.2, label %if.end14.2, label %if.then11
 
 if.end14.2:                                       ; preds = %if.end.2
   %12 = load i32, i32* %numFreeResourcesInSubgroup, align 4
-  %13 = call { i64, i64, i64, i64 } asm sideeffect "sc", "=&{r0},=&{r3},=&{r4},=&{r5},{r0},{r3},{r4},{r5},~{r6},~{r7},~{r8},~{r9},~{r10},~{r11},~{r12},~{cr0},~{memory}"(i64 1035, i64 undef, i64 %0, i64 0) #2
+  %13 = call { i64, i64, i64, i64 } asm sideeffect "sc", "=&{r0},=&{r3},=&{r4},=&{r5},{r0},{r3},{r4},{r5},~{r6},~{r7},~{r8},~{r9},~{r10},~{r11},~{r12},~{cr0},~{memory}"(i64 1035, i64 %inp64, i64 %0, i64 0) #2
   %asmresult1.i64.2 = extractvalue { i64, i64, i64, i64 } %13, 1
   %conv4.i65.2 = trunc i64 %asmresult1.i64.2 to i32
   %cmp19.2 = icmp eq i32 %conv4.i65.2, 0
@@ -121,7 +121,7 @@
   %15 = load i32, i32* %numFreeResourcesInSubgroup, align 4
   %conv.3 = zext i32 %15 to i64
   %add.3 = add nuw nsw i64 %conv.3, %add.2
-  %cmp10.3 = icmp eq i32 undef, 0
+  %cmp10.3 = icmp eq i32 %inp32, 0
   br i1 %cmp10.3, label %if.end14.3, label %if.then11
 
 if.end14.3:                                       ; preds = %if.end.3