Add conditional branch instructions and their patterns.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166134 91177308-0d34-0410-b5e6-96231b3b80d8

10 files changed, 281 insertions, 0 deletions

diff --git a/test/CodeGen/Mips/brconeq.ll b/test/CodeGen/Mips/brconeq.ll
new file mode 100644
index 0000000..6133915
--- /dev/null
+++ b/test/CodeGen/Mips/brconeq.ll
@@ -0,0 +1,38 @@
+; RUN: llc  -march=mipsel -mcpu=mips16 -relocation-model=pic -O3 < %s | FileCheck %s -check-prefix=16
+
+@i = global i32 5, align 4
+@j = global i32 10, align 4
+@result = global i32 0, align 4
+
+define void @test() nounwind {
+entry:
+  %0 = load i32* @i, align 4
+  %1 = load i32* @j, align 4
+  %cmp = icmp eq i32 %0, %1
+; 16:	cmp	${{[0-9]+}}, ${{[0-9]+}}
+; 16:	bteqz	$[[LABEL:[0-9A-Ba-b_]+]]
+; 16: $[[LABEL]]:
+  br i1 %cmp, label %if.end, label %if.then
+
+if.then:                                          ; preds = %entry
+  store i32 1, i32* @result, align 4
+  br label %if.end
+
+if.end:                                           ; preds = %entry, %if.then
+  ret void
+}
+
+
+
+
+
+
+
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+
+
+
diff --git a/test/CodeGen/Mips/brconeqk.ll b/test/CodeGen/Mips/brconeqk.ll
new file mode 100644
index 0000000..2c0e72d
--- /dev/null
+++ b/test/CodeGen/Mips/brconeqk.ll
@@ -0,0 +1,22 @@
+; RUN: llc  -march=mipsel -mcpu=mips16 -relocation-model=pic -O3 < %s | FileCheck %s -check-prefix=16
+
+@i = global i32 5, align 4
+@result = global i32 0, align 4
+
+define void @test() nounwind {
+entry:
+  %0 = load i32* @i, align 4
+  %cmp = icmp eq i32 %0, 10
+  br i1 %cmp, label %if.end, label %if.then
+; 16:	cmpi	${{[0-9]+}}, {{[0-9]+}}
+; 16:	bteqz	$[[LABEL:[0-9A-Ba-b_]+]]
+; 16: $[[LABEL]]:
+if.then:                                          ; preds = %entry
+  store i32 1, i32* @result, align 4
+  br label %if.end
+
+if.end:                                           ; preds = %entry, %if.then
+  ret void
+}
+
+
diff --git a/test/CodeGen/Mips/brconeqz.ll b/test/CodeGen/Mips/brconeqz.ll
new file mode 100644
index 0000000..5586e7b
--- /dev/null
+++ b/test/CodeGen/Mips/brconeqz.ll
@@ -0,0 +1,20 @@
+; RUN: llc  -march=mipsel -mcpu=mips16 -relocation-model=pic -O3 < %s | FileCheck %s -check-prefix=16
+
+@i = global i32 5, align 4
+@result = global i32 0, align 4
+
+define void @test() nounwind {
+entry:
+  %0 = load i32* @i, align 4
+  %cmp = icmp eq i32 %0, 0
+  br i1 %cmp, label %if.end, label %if.then
+; 16:	beqz	${{[0-9]+}}, $[[LABEL:[0-9A-Ba-b_]+]]
+; 16: $[[LABEL]]:
+if.then:                                          ; preds = %entry
+  store i32 1, i32* @result, align 4
+  br label %if.end
+
+if.end:                                           ; preds = %entry, %if.then
+  ret void
+}
+
diff --git a/test/CodeGen/Mips/brconge.ll b/test/CodeGen/Mips/brconge.ll
new file mode 100644
index 0000000..02f0a63
--- /dev/null
+++ b/test/CodeGen/Mips/brconge.ll
@@ -0,0 +1,37 @@
+; RUN: llc  -march=mipsel -mcpu=mips16 -relocation-model=pic -O3 < %s | FileCheck %s -check-prefix=16
+
+@i = global i32 5, align 4
+@j = global i32 10, align 4
+@k = global i32 5, align 4
+@result1 = global i32 0, align 4
+@result2 = global i32 1, align 4
+
+define void @test() nounwind {
+entry:
+  %0 = load i32* @i, align 4
+  %1 = load i32* @j, align 4
+  %cmp = icmp slt i32 %0, %1
+  br i1 %cmp, label %if.then, label %if.end
+
+; 16:	slt	${{[0-9]+}}, ${{[0-9]+}}
+; 16:	bteqz	$[[LABEL:[0-9A-Ba-b_]+]]
+; 16: $[[LABEL]]:
+
+if.then:                                          ; preds = %entry
+  store i32 1, i32* @result1, align 4
+  br label %if.end
+
+if.end:                                           ; preds = %if.then, %entry
+  %2 = load i32* @k, align 4
+  %cmp1 = icmp slt i32 %0, %2
+  br i1 %cmp1, label %if.then2, label %if.end3
+
+if.then2:                                         ; preds = %if.end
+  store i32 1, i32* @result1, align 4
+  br label %if.end3
+
+if.end3:                                          ; preds = %if.then2, %if.end
+  ret void
+}
+
+
diff --git a/test/CodeGen/Mips/brcongt.ll b/test/CodeGen/Mips/brcongt.ll
new file mode 100644
index 0000000..767b51b
--- /dev/null
+++ b/test/CodeGen/Mips/brcongt.ll
@@ -0,0 +1,25 @@
+; RUN: llc  -march=mipsel -mcpu=mips16 -relocation-model=pic -O3 < %s | FileCheck %s -check-prefix=16
+
+@i = global i32 5, align 4
+@j = global i32 10, align 4
+@k = global i32 5, align 4
+@result = global i32 0, align 4
+
+define void @test() nounwind {
+entry:
+  %0 = load i32* @i, align 4
+  %1 = load i32* @j, align 4
+  %cmp = icmp sgt i32 %0, %1
+  br i1 %cmp, label %if.end, label %if.then
+; 16:	slt	${{[0-9]+}}, ${{[0-9]+}}
+; 16:	btnez	$[[LABEL:[0-9A-Ba-b_]+]]
+; 16: $[[LABEL]]:
+if.then:                                          ; preds = %entry
+  store i32 1, i32* @result, align 4
+  br label %if.end
+
+if.end:                                           ; preds = %entry, %if.then
+  ret void
+}
+
+
diff --git a/test/CodeGen/Mips/brconle.ll b/test/CodeGen/Mips/brconle.ll
new file mode 100644
index 0000000..854b248
--- /dev/null
+++ b/test/CodeGen/Mips/brconle.ll
@@ -0,0 +1,37 @@
+; RUN: llc  -march=mipsel -mcpu=mips16 -relocation-model=pic -O3 < %s | FileCheck %s -check-prefix=16
+
+@i = global i32 -5, align 4
+@j = global i32 10, align 4
+@k = global i32 -5, align 4
+@result1 = global i32 0, align 4
+@result2 = global i32 1, align 4
+
+define void @test() nounwind {
+entry:
+  %0 = load i32* @j, align 4
+  %1 = load i32* @i, align 4
+  %cmp = icmp sgt i32 %0, %1
+  br i1 %cmp, label %if.then, label %if.end
+
+; 16:	slt	${{[0-9]+}}, ${{[0-9]+}}
+; 16:	bteqz	$[[LABEL:[0-9A-Ba-b_]+]]
+; 16: $[[LABEL]]:
+
+if.then:                                          ; preds = %entry
+  store i32 1, i32* @result1, align 4
+  br label %if.end
+
+if.end:                                           ; preds = %if.then, %entry
+  %2 = load i32* @k, align 4
+  %cmp1 = icmp sgt i32 %1, %2
+  br i1 %cmp1, label %if.then2, label %if.end3
+
+if.then2:                                         ; preds = %if.end
+  store i32 0, i32* @result1, align 4
+  br label %if.end3
+
+if.end3:                                          ; preds = %if.then2, %if.end
+  ret void
+}
+
+
diff --git a/test/CodeGen/Mips/brconlt.ll b/test/CodeGen/Mips/brconlt.ll
new file mode 100644
index 0000000..931a3e8
--- /dev/null
+++ b/test/CodeGen/Mips/brconlt.ll
@@ -0,0 +1,27 @@
+; RUN: llc  -march=mipsel -mcpu=mips16 -relocation-model=pic -O3 < %s | FileCheck %s -check-prefix=16
+
+@i = global i32 5, align 4
+@j = global i32 10, align 4
+@k = global i32 5, align 4
+@result = global i32 0, align 4
+
+define void @test() nounwind {
+entry:
+  %0 = load i32* @j, align 4
+  %1 = load i32* @i, align 4
+  %cmp = icmp slt i32 %0, %1
+  br i1 %cmp, label %if.end, label %if.then
+
+; 16:	slt	${{[0-9]+}}, ${{[0-9]+}}
+; 16:	btnez	$[[LABEL:[0-9A-Ba-b_]+]]
+; 16: $[[LABEL]]:
+
+if.then:                                          ; preds = %entry
+  store i32 1, i32* @result, align 4
+  br label %if.end
+
+if.end:                                           ; preds = %entry, %if.then
+  ret void
+}
+
+
diff --git a/test/CodeGen/Mips/brconne.ll b/test/CodeGen/Mips/brconne.ll
new file mode 100644
index 0000000..5d5bde3
--- /dev/null
+++ b/test/CodeGen/Mips/brconne.ll
@@ -0,0 +1,26 @@
+; RUN: llc  -march=mipsel -mcpu=mips16 -relocation-model=pic -O3 < %s | FileCheck %s -check-prefix=16
+
+@i = global i32 5, align 4
+@j = global i32 5, align 4
+@result = global i32 0, align 4
+
+define void @test() nounwind {
+entry:
+  %0 = load i32* @j, align 4
+  %1 = load i32* @i, align 4
+  %cmp = icmp eq i32 %0, %1
+  br i1 %cmp, label %if.then, label %if.end
+; 16:	cmp	${{[0-9]+}}, ${{[0-9]+}}
+; 16:	btnez	$[[LABEL:[0-9A-Ba-b_]+]]
+; 16:   lw ${{[0-9]+}}, %got(result)(${{[0-9]+}})
+; 16: $[[LABEL]]:
+
+if.then:                                          ; preds = %entry
+  store i32 1, i32* @result, align 4
+  br label %if.end
+
+if.end:                                           ; preds = %if.then, %entry
+  ret void
+}
+
+
diff --git a/test/CodeGen/Mips/brconnek.ll b/test/CodeGen/Mips/brconnek.ll
new file mode 100644
index 0000000..6208d7c
--- /dev/null
+++ b/test/CodeGen/Mips/brconnek.ll
@@ -0,0 +1,25 @@
+; RUN: llc  -march=mipsel -mcpu=mips16 -relocation-model=pic -O3 < %s | FileCheck %s -check-prefix=16
+
+@j = global i32 5, align 4
+@result = global i32 0, align 4
+
+define void @test() nounwind {
+entry:
+  %0 = load i32* @j, align 4
+  %cmp = icmp eq i32 %0, 5
+  br i1 %cmp, label %if.then, label %if.end
+
+; 16:	cmpi	${{[0-9]+}}, {{[0-9]+}}
+; 16:	btnez	$[[LABEL:[0-9A-Ba-b_]+]]
+; 16:   lw ${{[0-9]+}}, %got(result)(${{[0-9]+}})
+; 16: $[[LABEL]]:
+
+if.then:                                          ; preds = %entry
+  store i32 1, i32* @result, align 4
+  br label %if.end
+
+if.end:                                           ; preds = %if.then, %entry
+  ret void
+}
+
+
diff --git a/test/CodeGen/Mips/brconnez.ll b/test/CodeGen/Mips/brconnez.ll
new file mode 100644
index 0000000..47db790
--- /dev/null
+++ b/test/CodeGen/Mips/brconnez.ll
@@ -0,0 +1,24 @@
+; RUN: llc  -march=mipsel -mcpu=mips16 -relocation-model=pic -O3 < %s | FileCheck %s -check-prefix=16
+
+@j = global i32 0, align 4
+@result = global i32 0, align 4
+
+define void @test() nounwind {
+entry:
+  %0 = load i32* @j, align 4
+  %cmp = icmp eq i32 %0, 0
+  br i1 %cmp, label %if.then, label %if.end
+
+; 16:	bnez	${{[0-9]+}}, $[[LABEL:[0-9A-Ba-b_]+]]
+; 16:   lw ${{[0-9]+}}, %got(result)(${{[0-9]+}})
+; 16: $[[LABEL]]:
+
+if.then:                                          ; preds = %entry
+  store i32 1, i32* @result, align 4
+  br label %if.end
+
+if.end:                                           ; preds = %if.then, %entry
+  ret void
+}
+
+