Factor FlattenCFG out from SimplifyCFG

Patch by: Mei Ye

llvm-svn: 187764

4 files changed, 0 insertions, 126 deletions

diff --git a/llvm/test/Transforms/SimplifyCFG/R600/lit.local.cfg b/llvm/test/Transforms/SimplifyCFG/R600/lit.local.cfg
index 4f6e57978c2..e69de29bb2d 100644
--- a/llvm/test/Transforms/SimplifyCFG/R600/lit.local.cfg
+++ b/llvm/test/Transforms/SimplifyCFG/R600/lit.local.cfg
@@ -1,6 +0,0 @@
-config.suffixes = ['.ll', '.c', '.cpp']
-
-targets = set(config.root.targets_to_build.split())
-if not 'R600' in targets:
-    config.unsupported = True
-
diff --git a/llvm/test/Transforms/SimplifyCFG/R600/parallelandifcollapse.ll b/llvm/test/Transforms/SimplifyCFG/R600/parallelandifcollapse.ll
index 053921cf50a..e69de29bb2d 100644
--- a/llvm/test/Transforms/SimplifyCFG/R600/parallelandifcollapse.ll
+++ b/llvm/test/Transforms/SimplifyCFG/R600/parallelandifcollapse.ll
@@ -1,63 +0,0 @@
-; Function Attrs: nounwind
-; RUN: opt < %s -mtriple=r600-unknown-linux-gnu -optimizecfg -basicaa -S | FileCheck %s
-;
-; CFG optimization should use parallel-and mode to generate branch conditions and
-; then merge if-regions with the same bodies, which should result in 2 branches.
-; To see the assembly output without this transformation, remove -basicaa option.
-; 
-; CHECK: or i1
-; CHECK-NEXT: br
-; CHECK: br
-; CHECK: ret
-define void @_Z9chk1D_512v() #0 {
-entry:
-  %a0 = alloca i32, align 4
-  %b0 = alloca i32, align 4
-  %c0 = alloca i32, align 4
-  %d0 = alloca i32, align 4
-  %a1 = alloca i32, align 4
-  %b1 = alloca i32, align 4
-  %c1 = alloca i32, align 4
-  %d1 = alloca i32, align 4
-  %data = alloca i32, align 4
-  %0 = load i32* %a0, align 4
-  %1 = load i32* %b0, align 4
-  %cmp = icmp ne i32 %0, %1
-  br i1 %cmp, label %land.lhs.true, label %if.else
-
-land.lhs.true:                                    ; preds = %entry
-  %2 = load i32* %c0, align 4
-  %3 = load i32* %d0, align 4
-  %cmp1 = icmp ne i32 %2, %3
-  br i1 %cmp1, label %if.then, label %if.else
-
-if.then:                                          ; preds = %land.lhs.true
-  br label %if.end
-
-if.else:                                          ; preds = %land.lhs.true, %entry
-  store i32 1, i32* %data, align 4
-  br label %if.end
-
-if.end:                                           ; preds = %if.else, %if.then
-  %4 = load i32* %a1, align 4
-  %5 = load i32* %b1, align 4
-  %cmp2 = icmp ne i32 %4, %5
-  br i1 %cmp2, label %land.lhs.true3, label %if.else6
-
-land.lhs.true3:                                   ; preds = %if.end
-  %6 = load i32* %c1, align 4
-  %7 = load i32* %d1, align 4
-  %cmp4 = icmp ne i32 %6, %7
-  br i1 %cmp4, label %if.then5, label %if.else6
-
-if.then5:                                         ; preds = %land.lhs.true3
-  br label %if.end7
-
-if.else6:                                         ; preds = %land.lhs.true3, %if.end
-  store i32 1, i32* %data, align 4
-  br label %if.end7
-
-if.end7:                                          ; preds = %if.else6, %if.then5
-  ret void
-}
-
diff --git a/llvm/test/Transforms/SimplifyCFG/R600/parallelorifcollapse.ll b/llvm/test/Transforms/SimplifyCFG/R600/parallelorifcollapse.ll
index e1bb5fc5102..e69de29bb2d 100644
--- a/llvm/test/Transforms/SimplifyCFG/R600/parallelorifcollapse.ll
+++ b/llvm/test/Transforms/SimplifyCFG/R600/parallelorifcollapse.ll
@@ -1,56 +0,0 @@
-; Function Attrs: nounwind
-; RUN: opt < %s -mtriple=r600-unknown-linux-gnu -optimizecfg -basicaa -S | FileCheck %s
-;
-; CFG optimization should use parallel-or mode to generate branch conditions and
-; then merge if-regions with the same bodies, which should result in 2 branches.
-; To see the assembly output without this transformation, remove -basicaa option.
-;
-; CHECK: or i1
-; CHECK-NEXT: br
-; CHECK: br
-; CHECK: ret
-define void @_Z9chk1D_512v() #0 {
-entry:
-  %a0 = alloca i32, align 4
-  %b0 = alloca i32, align 4
-  %c0 = alloca i32, align 4
-  %d0 = alloca i32, align 4
-  %a1 = alloca i32, align 4
-  %b1 = alloca i32, align 4
-  %c1 = alloca i32, align 4
-  %d1 = alloca i32, align 4
-  %data = alloca i32, align 4
-  %0 = load i32* %a0, align 4
-  %1 = load i32* %b0, align 4
-  %cmp = icmp ne i32 %0, %1
-  br i1 %cmp, label %land.lhs.true, label %if.end
-
-land.lhs.true:                                    ; preds = %entry
-  %2 = load i32* %c0, align 4
-  %3 = load i32* %d0, align 4
-  %cmp1 = icmp ne i32 %2, %3
-  br i1 %cmp1, label %if.then, label %if.end
-
-if.then:                                          ; preds = %land.lhs.true
-  store i32 1, i32* %data, align 4
-  br label %if.end
-
-if.end:                                           ; preds = %if.then, %land.lhs.true, %entry
-  %4 = load i32* %a1, align 4
-  %5 = load i32* %b1, align 4
-  %cmp2 = icmp ne i32 %4, %5
-  br i1 %cmp2, label %land.lhs.true3, label %if.end6
-
-land.lhs.true3:                                   ; preds = %if.end
-  %6 = load i32* %c1, align 4
-  %7 = load i32* %d1, align 4
-  %cmp4 = icmp ne i32 %6, %7
-  br i1 %cmp4, label %if.then5, label %if.end6
-
-if.then5:                                         ; preds = %land.lhs.true3
-  store i32 1, i32* %data, align 4
-  br label %if.end6
-
-if.end6:                                          ; preds = %if.then5, %land.lhs.true3, %if.end
-  ret void
-}
diff --git a/llvm/test/Transforms/SimplifyCFG/lit.local.cfg b/llvm/test/Transforms/SimplifyCFG/lit.local.cfg
index 19eebc0ac7a..e69de29bb2d 100644
--- a/llvm/test/Transforms/SimplifyCFG/lit.local.cfg
+++ b/llvm/test/Transforms/SimplifyCFG/lit.local.cfg
@@ -1 +0,0 @@
-config.suffixes = ['.ll', '.c', '.cpp']