add a test case that uses RESTORE_CR

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145962 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 225 insertions, 0 deletions

diff --git a/test/CodeGen/PowerPC/2011-12-06-SpillAndRestoreCR.ll b/test/CodeGen/PowerPC/2011-12-06-SpillAndRestoreCR.ll
new file mode 100644
index 0000000..52bf6c7
--- /dev/null
+++ b/test/CodeGen/PowerPC/2011-12-06-SpillAndRestoreCR.ll
@@ -0,0 +1,225 @@
+; RUN: llc < %s -mtriple=powerpc-apple-darwin -mcpu=g4 | FileCheck %s
+; RUN: llc < %s -mtriple=powerpc64-unknown-linux-gnu -mcpu=g4 | FileCheck %s
+
+; ModuleID = 'tsc.c'
+target datalayout = "E-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v128:128:128-n32:64"
+target triple = "powerpc64-unknown-linux-gnu"
+
+@a = common global [32000 x float] zeroinitializer, align 16
+@b = common global [32000 x float] zeroinitializer, align 16
+@c = common global [32000 x float] zeroinitializer, align 16
+@d = common global [32000 x float] zeroinitializer, align 16
+@e = common global [32000 x float] zeroinitializer, align 16
+@aa = common global [256 x [256 x float]] zeroinitializer, align 16
+@bb = common global [256 x [256 x float]] zeroinitializer, align 16
+@cc = common global [256 x [256 x float]] zeroinitializer, align 16
+@temp = common global float 0.000000e+00, align 4
+
+@.str81 = private unnamed_addr constant [6 x i8] c"s3110\00", align 1
+@.str235 = private unnamed_addr constant [15 x i8] c"S3110\09 %.2f \09\09\00", align 1
+
+declare i32 @printf(i8* nocapture, ...) nounwind
+declare i32 @init(i8* %name) nounwind
+declare i64 @clock() nounwind
+declare i32 @dummy(float*, float*, float*, float*, float*, [256 x float]*, [256 x float]*, [256 x float]*, float)
+declare void @check(i32 %name) nounwind
+
+; CHECK: mfcr
+; CHECK: mtcr
+
+define i32 @s3110() nounwind {
+entry:
+  %call = tail call i32 @init(i8* getelementptr inbounds ([6 x i8]* @.str81, i64 0, i64 0))
+  %call1 = tail call i64 @clock() nounwind
+  br label %for.body
+
+for.body:                                         ; preds = %for.end17, %entry
+  %nl.041 = phi i32 [ 0, %entry ], [ %inc22, %for.end17 ]
+  %0 = load float* getelementptr inbounds ([256 x [256 x float]]* @aa, i64 0, i64 0, i64 0), align 16, !tbaa !5
+  br label %for.cond5.preheader
+
+for.cond5.preheader:                              ; preds = %for.inc15, %for.body
+  %indvars.iv42 = phi i64 [ 0, %for.body ], [ %indvars.iv.next43, %for.inc15 ]
+  %max.139 = phi float [ %0, %for.body ], [ %max.3.15, %for.inc15 ]
+  %xindex.138 = phi i32 [ 0, %for.body ], [ %xindex.3.15, %for.inc15 ]
+  %yindex.137 = phi i32 [ 0, %for.body ], [ %yindex.3.15, %for.inc15 ]
+  br label %for.body7
+
+for.body7:                                        ; preds = %for.body7, %for.cond5.preheader
+  %indvars.iv = phi i64 [ 0, %for.cond5.preheader ], [ %indvars.iv.next.15, %for.body7 ]
+  %max.235 = phi float [ %max.139, %for.cond5.preheader ], [ %max.3.15, %for.body7 ]
+  %xindex.234 = phi i32 [ %xindex.138, %for.cond5.preheader ], [ %xindex.3.15, %for.body7 ]
+  %yindex.233 = phi i32 [ %yindex.137, %for.cond5.preheader ], [ %yindex.3.15, %for.body7 ]
+  %arrayidx9 = getelementptr inbounds [256 x [256 x float]]* @aa, i64 0, i64 %indvars.iv42, i64 %indvars.iv
+  %1 = load float* %arrayidx9, align 16, !tbaa !5
+  %cmp10 = fcmp ogt float %1, %max.235
+  %2 = trunc i64 %indvars.iv to i32
+  %yindex.3 = select i1 %cmp10, i32 %2, i32 %yindex.233
+  %3 = trunc i64 %indvars.iv42 to i32
+  %xindex.3 = select i1 %cmp10, i32 %3, i32 %xindex.234
+  %max.3 = select i1 %cmp10, float %1, float %max.235
+  %indvars.iv.next45 = or i64 %indvars.iv, 1
+  %arrayidx9.1 = getelementptr inbounds [256 x [256 x float]]* @aa, i64 0, i64 %indvars.iv42, i64 %indvars.iv.next45
+  %4 = load float* %arrayidx9.1, align 4, !tbaa !5
+  %cmp10.1 = fcmp ogt float %4, %max.3
+  %5 = trunc i64 %indvars.iv.next45 to i32
+  %yindex.3.1 = select i1 %cmp10.1, i32 %5, i32 %yindex.3
+  %xindex.3.1 = select i1 %cmp10.1, i32 %3, i32 %xindex.3
+  %max.3.1 = select i1 %cmp10.1, float %4, float %max.3
+  %indvars.iv.next.146 = or i64 %indvars.iv, 2
+  %arrayidx9.2 = getelementptr inbounds [256 x [256 x float]]* @aa, i64 0, i64 %indvars.iv42, i64 %indvars.iv.next.146
+  %6 = load float* %arrayidx9.2, align 8, !tbaa !5
+  %cmp10.2 = fcmp ogt float %6, %max.3.1
+  %7 = trunc i64 %indvars.iv.next.146 to i32
+  %yindex.3.2 = select i1 %cmp10.2, i32 %7, i32 %yindex.3.1
+  %xindex.3.2 = select i1 %cmp10.2, i32 %3, i32 %xindex.3.1
+  %max.3.2 = select i1 %cmp10.2, float %6, float %max.3.1
+  %indvars.iv.next.247 = or i64 %indvars.iv, 3
+  %arrayidx9.3 = getelementptr inbounds [256 x [256 x float]]* @aa, i64 0, i64 %indvars.iv42, i64 %indvars.iv.next.247
+  %8 = load float* %arrayidx9.3, align 4, !tbaa !5
+  %cmp10.3 = fcmp ogt float %8, %max.3.2
+  %9 = trunc i64 %indvars.iv.next.247 to i32
+  %yindex.3.3 = select i1 %cmp10.3, i32 %9, i32 %yindex.3.2
+  %xindex.3.3 = select i1 %cmp10.3, i32 %3, i32 %xindex.3.2
+  %max.3.3 = select i1 %cmp10.3, float %8, float %max.3.2
+  %indvars.iv.next.348 = or i64 %indvars.iv, 4
+  %arrayidx9.4 = getelementptr inbounds [256 x [256 x float]]* @aa, i64 0, i64 %indvars.iv42, i64 %indvars.iv.next.348
+  %10 = load float* %arrayidx9.4, align 16, !tbaa !5
+  %cmp10.4 = fcmp ogt float %10, %max.3.3
+  %11 = trunc i64 %indvars.iv.next.348 to i32
+  %yindex.3.4 = select i1 %cmp10.4, i32 %11, i32 %yindex.3.3
+  %xindex.3.4 = select i1 %cmp10.4, i32 %3, i32 %xindex.3.3
+  %max.3.4 = select i1 %cmp10.4, float %10, float %max.3.3
+  %indvars.iv.next.449 = or i64 %indvars.iv, 5
+  %arrayidx9.5 = getelementptr inbounds [256 x [256 x float]]* @aa, i64 0, i64 %indvars.iv42, i64 %indvars.iv.next.449
+  %12 = load float* %arrayidx9.5, align 4, !tbaa !5
+  %cmp10.5 = fcmp ogt float %12, %max.3.4
+  %13 = trunc i64 %indvars.iv.next.449 to i32
+  %yindex.3.5 = select i1 %cmp10.5, i32 %13, i32 %yindex.3.4
+  %xindex.3.5 = select i1 %cmp10.5, i32 %3, i32 %xindex.3.4
+  %max.3.5 = select i1 %cmp10.5, float %12, float %max.3.4
+  %indvars.iv.next.550 = or i64 %indvars.iv, 6
+  %arrayidx9.6 = getelementptr inbounds [256 x [256 x float]]* @aa, i64 0, i64 %indvars.iv42, i64 %indvars.iv.next.550
+  %14 = load float* %arrayidx9.6, align 8, !tbaa !5
+  %cmp10.6 = fcmp ogt float %14, %max.3.5
+  %15 = trunc i64 %indvars.iv.next.550 to i32
+  %yindex.3.6 = select i1 %cmp10.6, i32 %15, i32 %yindex.3.5
+  %xindex.3.6 = select i1 %cmp10.6, i32 %3, i32 %xindex.3.5
+  %max.3.6 = select i1 %cmp10.6, float %14, float %max.3.5
+  %indvars.iv.next.651 = or i64 %indvars.iv, 7
+  %arrayidx9.7 = getelementptr inbounds [256 x [256 x float]]* @aa, i64 0, i64 %indvars.iv42, i64 %indvars.iv.next.651
+  %16 = load float* %arrayidx9.7, align 4, !tbaa !5
+  %cmp10.7 = fcmp ogt float %16, %max.3.6
+  %17 = trunc i64 %indvars.iv.next.651 to i32
+  %yindex.3.7 = select i1 %cmp10.7, i32 %17, i32 %yindex.3.6
+  %xindex.3.7 = select i1 %cmp10.7, i32 %3, i32 %xindex.3.6
+  %max.3.7 = select i1 %cmp10.7, float %16, float %max.3.6
+  %indvars.iv.next.752 = or i64 %indvars.iv, 8
+  %arrayidx9.8 = getelementptr inbounds [256 x [256 x float]]* @aa, i64 0, i64 %indvars.iv42, i64 %indvars.iv.next.752
+  %18 = load float* %arrayidx9.8, align 16, !tbaa !5
+  %cmp10.8 = fcmp ogt float %18, %max.3.7
+  %19 = trunc i64 %indvars.iv.next.752 to i32
+  %yindex.3.8 = select i1 %cmp10.8, i32 %19, i32 %yindex.3.7
+  %xindex.3.8 = select i1 %cmp10.8, i32 %3, i32 %xindex.3.7
+  %max.3.8 = select i1 %cmp10.8, float %18, float %max.3.7
+  %indvars.iv.next.853 = or i64 %indvars.iv, 9
+  %arrayidx9.9 = getelementptr inbounds [256 x [256 x float]]* @aa, i64 0, i64 %indvars.iv42, i64 %indvars.iv.next.853
+  %20 = load float* %arrayidx9.9, align 4, !tbaa !5
+  %cmp10.9 = fcmp ogt float %20, %max.3.8
+  %21 = trunc i64 %indvars.iv.next.853 to i32
+  %yindex.3.9 = select i1 %cmp10.9, i32 %21, i32 %yindex.3.8
+  %xindex.3.9 = select i1 %cmp10.9, i32 %3, i32 %xindex.3.8
+  %max.3.9 = select i1 %cmp10.9, float %20, float %max.3.8
+  %indvars.iv.next.954 = or i64 %indvars.iv, 10
+  %arrayidx9.10 = getelementptr inbounds [256 x [256 x float]]* @aa, i64 0, i64 %indvars.iv42, i64 %indvars.iv.next.954
+  %22 = load float* %arrayidx9.10, align 8, !tbaa !5
+  %cmp10.10 = fcmp ogt float %22, %max.3.9
+  %23 = trunc i64 %indvars.iv.next.954 to i32
+  %yindex.3.10 = select i1 %cmp10.10, i32 %23, i32 %yindex.3.9
+  %xindex.3.10 = select i1 %cmp10.10, i32 %3, i32 %xindex.3.9
+  %max.3.10 = select i1 %cmp10.10, float %22, float %max.3.9
+  %indvars.iv.next.1055 = or i64 %indvars.iv, 11
+  %arrayidx9.11 = getelementptr inbounds [256 x [256 x float]]* @aa, i64 0, i64 %indvars.iv42, i64 %indvars.iv.next.1055
+  %24 = load float* %arrayidx9.11, align 4, !tbaa !5
+  %cmp10.11 = fcmp ogt float %24, %max.3.10
+  %25 = trunc i64 %indvars.iv.next.1055 to i32
+  %yindex.3.11 = select i1 %cmp10.11, i32 %25, i32 %yindex.3.10
+  %xindex.3.11 = select i1 %cmp10.11, i32 %3, i32 %xindex.3.10
+  %max.3.11 = select i1 %cmp10.11, float %24, float %max.3.10
+  %indvars.iv.next.1156 = or i64 %indvars.iv, 12
+  %arrayidx9.12 = getelementptr inbounds [256 x [256 x float]]* @aa, i64 0, i64 %indvars.iv42, i64 %indvars.iv.next.1156
+  %26 = load float* %arrayidx9.12, align 16, !tbaa !5
+  %cmp10.12 = fcmp ogt float %26, %max.3.11
+  %27 = trunc i64 %indvars.iv.next.1156 to i32
+  %yindex.3.12 = select i1 %cmp10.12, i32 %27, i32 %yindex.3.11
+  %xindex.3.12 = select i1 %cmp10.12, i32 %3, i32 %xindex.3.11
+  %max.3.12 = select i1 %cmp10.12, float %26, float %max.3.11
+  %indvars.iv.next.1257 = or i64 %indvars.iv, 13
+  %arrayidx9.13 = getelementptr inbounds [256 x [256 x float]]* @aa, i64 0, i64 %indvars.iv42, i64 %indvars.iv.next.1257
+  %28 = load float* %arrayidx9.13, align 4, !tbaa !5
+  %cmp10.13 = fcmp ogt float %28, %max.3.12
+  %29 = trunc i64 %indvars.iv.next.1257 to i32
+  %yindex.3.13 = select i1 %cmp10.13, i32 %29, i32 %yindex.3.12
+  %xindex.3.13 = select i1 %cmp10.13, i32 %3, i32 %xindex.3.12
+  %max.3.13 = select i1 %cmp10.13, float %28, float %max.3.12
+  %indvars.iv.next.1358 = or i64 %indvars.iv, 14
+  %arrayidx9.14 = getelementptr inbounds [256 x [256 x float]]* @aa, i64 0, i64 %indvars.iv42, i64 %indvars.iv.next.1358
+  %30 = load float* %arrayidx9.14, align 8, !tbaa !5
+  %cmp10.14 = fcmp ogt float %30, %max.3.13
+  %31 = trunc i64 %indvars.iv.next.1358 to i32
+  %yindex.3.14 = select i1 %cmp10.14, i32 %31, i32 %yindex.3.13
+  %xindex.3.14 = select i1 %cmp10.14, i32 %3, i32 %xindex.3.13
+  %max.3.14 = select i1 %cmp10.14, float %30, float %max.3.13
+  %indvars.iv.next.1459 = or i64 %indvars.iv, 15
+  %arrayidx9.15 = getelementptr inbounds [256 x [256 x float]]* @aa, i64 0, i64 %indvars.iv42, i64 %indvars.iv.next.1459
+  %32 = load float* %arrayidx9.15, align 4, !tbaa !5
+  %cmp10.15 = fcmp ogt float %32, %max.3.14
+  %33 = trunc i64 %indvars.iv.next.1459 to i32
+  %yindex.3.15 = select i1 %cmp10.15, i32 %33, i32 %yindex.3.14
+  %xindex.3.15 = select i1 %cmp10.15, i32 %3, i32 %xindex.3.14
+  %max.3.15 = select i1 %cmp10.15, float %32, float %max.3.14
+  %indvars.iv.next.15 = add i64 %indvars.iv, 16
+  %lftr.wideiv.15 = trunc i64 %indvars.iv.next.15 to i32
+  %exitcond.15 = icmp eq i32 %lftr.wideiv.15, 256
+  br i1 %exitcond.15, label %for.inc15, label %for.body7
+
+for.inc15:                                        ; preds = %for.body7
+  %indvars.iv.next43 = add i64 %indvars.iv42, 1
+  %lftr.wideiv = trunc i64 %indvars.iv.next43 to i32
+  %exitcond = icmp eq i32 %lftr.wideiv, 256
+  br i1 %exitcond, label %for.end17, label %for.cond5.preheader
+
+for.end17:                                        ; preds = %for.inc15
+  %conv = sitofp i32 %xindex.3.15 to float
+  %add = fadd float %max.3.15, %conv
+  %conv18 = sitofp i32 %yindex.3.15 to float
+  %add19 = fadd float %add, %conv18
+  %call20 = tail call i32 @dummy(float* getelementptr inbounds ([32000 x float]* @a, i64 0, i64 0), float* getelementptr inbounds ([32000 x float]* @b, i64 0, i64 0), float* getelementptr inbounds ([32000 x float]* @c, i64 0, i64 0), float* getelementptr inbounds ([32000 x float]* @d, i64 0, i64 0), float* getelementptr inbounds ([32000 x float]* @e, i64 0, i64 0), [256 x float]* getelementptr inbounds ([256 x [256 x float]]* @aa, i64 0, i64 0), [256 x float]* getelementptr inbounds ([256 x [256 x float]]* @bb, i64 0, i64 0), [256 x float]* getelementptr inbounds ([256 x [256 x float]]* @cc, i64 0, i64 0), float %add19) nounwind
+  %inc22 = add nsw i32 %nl.041, 1
+  %exitcond44 = icmp eq i32 %inc22, 78100
+  br i1 %exitcond44, label %for.end23, label %for.body
+
+for.end23:                                        ; preds = %for.end17
+  %call24 = tail call i64 @clock() nounwind
+  %sub = sub nsw i64 %call24, %call1
+  %conv25 = sitofp i64 %sub to double
+  %div = fdiv double %conv25, 1.000000e+06
+  %call26 = tail call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([15 x i8]* @.str235, i64 0, i64 0), double %div) nounwind
+  %add29 = fadd float %add, 1.000000e+00
+  %add31 = fadd float %add29, %conv18
+  %add32 = fadd float %add31, 1.000000e+00
+  store float %add32, float* @temp, align 4, !tbaa !5
+  tail call void @check(i32 -1)
+  ret i32 0
+}
+
+declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture, i8* nocapture, i64, i32, i1) nounwind
+
+declare i32 @puts(i8* nocapture) nounwind
+
+!0 = metadata !{metadata !"any pointer", metadata !1}
+!1 = metadata !{metadata !"omnipotent char", metadata !2}
+!2 = metadata !{metadata !"Simple C/C++ TBAA", null}
+!3 = metadata !{metadata !"branch_weights", i32 64, i32 4}
+!4 = metadata !{metadata !"int", metadata !1}
+!5 = metadata !{metadata !"float", metadata !1}