From: Sanjay Patel <spatel@rotateright.com>
Date: Mon, 20 Jun 2016 18:40:37 +0000 (+0000)
Subject: [InstCombine] consolidate some icmp+logic tests and improve checks
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=889cd9b90a1455b593899f75d67a90c43e54fb45;p=llvm

[InstCombine] consolidate some icmp+logic tests and improve checks


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@273186 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/test/Transforms/InstCombine/2007-01-27-AndICmp.ll b/test/Transforms/InstCombine/2007-01-27-AndICmp.ll
deleted file mode 100644
index 6298a072333..00000000000
--- a/test/Transforms/InstCombine/2007-01-27-AndICmp.ll
+++ /dev/null
@@ -1,8 +0,0 @@
-; RUN: opt < %s -instcombine -S | grep "ugt.*, 1"
-
-define i1 @test(i32 %tmp1030) {
-	%tmp1037 = icmp ne i32 %tmp1030, 39		; <i1> [#uses=1]
-	%tmp1039 = icmp ne i32 %tmp1030, 40		; <i1> [#uses=1]
-	%tmp1042 = and i1 %tmp1037, %tmp1039		; <i1> [#uses=1]
-	ret i1 %tmp1042
-}
diff --git a/test/Transforms/InstCombine/2007-11-22-IcmpCrash.ll b/test/Transforms/InstCombine/2007-11-22-IcmpCrash.ll
deleted file mode 100644
index c476bef70e5..00000000000
--- a/test/Transforms/InstCombine/2007-11-22-IcmpCrash.ll
+++ /dev/null
@@ -1,29 +0,0 @@
-; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
-; RUN: opt < %s -instcombine -S | FileCheck %s
-; PR1817
-
-define i1 @test1(i32 %X) {
-; CHECK-LABEL: @test1(
-; CHECK-NEXT:    [[A:%.*]] = icmp slt i32 %X, 10
-; CHECK-NEXT:    [[B:%.*]] = icmp ult i32 %X, 10
-; CHECK-NEXT:    [[C:%.*]] = and i1 [[A]], [[B]]
-; CHECK-NEXT:    ret i1 [[C]]
-;
-  %A = icmp slt i32 %X, 10
-  %B = icmp ult i32 %X, 10
-  %C = and i1 %A, %B
-  ret i1 %C
-}
-
-define i1 @test2(i32 %X) {
-; CHECK-LABEL: @test2(
-; CHECK-NEXT:    [[A:%.*]] = icmp slt i32 %X, 10
-; CHECK-NEXT:    [[B:%.*]] = icmp ult i32 %X, 10
-; CHECK-NEXT:    [[C:%.*]] = or i1 [[A]], [[B]]
-; CHECK-NEXT:    ret i1 [[C]]
-;
-  %A = icmp slt i32 %X, 10
-  %B = icmp ult i32 %X, 10
-  %C = or i1 %A, %B
-  ret i1 %C
-}
diff --git a/test/Transforms/InstCombine/2008-07-08-AndICmp.ll b/test/Transforms/InstCombine/2008-07-08-AndICmp.ll
deleted file mode 100644
index a12f4bdf108..00000000000
--- a/test/Transforms/InstCombine/2008-07-08-AndICmp.ll
+++ /dev/null
@@ -1,10 +0,0 @@
-; RUN: opt < %s -instcombine -S | grep icmp | count 1
-; PR2330
-
-define i1 @foo(i32 %a, i32 %b) nounwind {
-entry:
-	icmp ult i32 %a, 8		; <i1>:0 [#uses=1]
-	icmp ult i32 %b, 8		; <i1>:1 [#uses=1]
-	and i1 %1, %0		; <i1>:2 [#uses=1]
-	ret i1 %2
-}
diff --git a/test/Transforms/InstCombine/and-or-icmps.ll b/test/Transforms/InstCombine/and-or-icmps.ll
new file mode 100644
index 00000000000..3903472e911
--- /dev/null
+++ b/test/Transforms/InstCombine/and-or-icmps.ll
@@ -0,0 +1,53 @@
+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
+; RUN: opt < %s -instcombine -S | FileCheck %s
+
+define i1 @PR1817_1(i32 %X) {
+; CHECK-LABEL: @PR1817_1(
+; CHECK-NEXT:    [[A:%.*]] = icmp slt i32 %X, 10
+; CHECK-NEXT:    [[B:%.*]] = icmp ult i32 %X, 10
+; CHECK-NEXT:    [[C:%.*]] = and i1 [[A]], [[B]]
+; CHECK-NEXT:    ret i1 [[C]]
+;
+  %A = icmp slt i32 %X, 10
+  %B = icmp ult i32 %X, 10
+  %C = and i1 %A, %B
+  ret i1 %C
+}
+
+define i1 @PR1817_2(i32 %X) {
+; CHECK-LABEL: @PR1817_2(
+; CHECK-NEXT:    [[A:%.*]] = icmp slt i32 %X, 10
+; CHECK-NEXT:    [[B:%.*]] = icmp ult i32 %X, 10
+; CHECK-NEXT:    [[C:%.*]] = or i1 [[A]], [[B]]
+; CHECK-NEXT:    ret i1 [[C]]
+;
+  %A = icmp slt i32 %X, 10
+  %B = icmp ult i32 %X, 10
+  %C = or i1 %A, %B
+  ret i1 %C
+}
+
+define i1 @PR2330(i32 %a, i32 %b) {
+; CHECK-LABEL: @PR2330(
+; CHECK-NEXT:    [[TMP1:%.*]] = or i32 %b, %a
+; CHECK-NEXT:    [[TMP2:%.*]] = icmp ult i32 [[TMP1]], 8
+; CHECK-NEXT:    ret i1 [[TMP2]]
+;
+  %cmp1 = icmp ult i32 %a, 8
+  %cmp2 = icmp ult i32 %b, 8
+  %and = and i1 %cmp2, %cmp1
+  ret i1 %and
+}
+
+define i1 @test(i32 %tmp1030) {
+; CHECK-LABEL: @test(
+; CHECK-NEXT:    [[TMP1030_OFF:%.*]] = add i32 %tmp1030, -39
+; CHECK-NEXT:    [[TMP1030_CMP:%.*]] = icmp ugt i32 [[TMP1030_OFF]], 1
+; CHECK-NEXT:    ret i1 [[TMP1030_CMP]]
+;
+  %tmp1037 = icmp ne i32 %tmp1030, 39
+  %tmp1039 = icmp ne i32 %tmp1030, 40
+  %tmp1042 = and i1 %tmp1037, %tmp1039
+  ret i1 %tmp1042
+}
+