From: Shawn Landden <shawn@git.icu>
Date: Sun, 26 May 2019 14:44:14 +0000 (+0000)
Subject: [SimplifyCFG] NFC, fix failing tests from last patches.
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=53a70ce23f855c576769e51d2896c428ff5085c2;p=llvm

[SimplifyCFG] NFC, fix failing tests from last patches.

No problems with the transforms.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@361730 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/test/Transforms/SimplifyCFG/CoveredLookupTable.ll b/test/Transforms/SimplifyCFG/CoveredLookupTable.ll
index e558956d502..79a6d01d0f3 100644
--- a/test/Transforms/SimplifyCFG/CoveredLookupTable.ll
+++ b/test/Transforms/SimplifyCFG/CoveredLookupTable.ll
@@ -1,3 +1,4 @@
+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
 ; RUN: opt -simplifycfg -switch-to-lookup -S %s | FileCheck %s
 ; RUN: opt -passes='simplify-cfg<switch-to-lookup>' -S %s | FileCheck %s
 ; rdar://15268442
@@ -5,24 +6,28 @@
 target datalayout = "e-p:64:64:64-S128-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f16:16:16-f32:32:32-f64:64:64-f128:128:128-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
 target triple = "x86_64-apple-darwin12.0.0"
 
-; CHECK-LABEL: define i3 @coveredswitch_test(
-; CHECK: entry:
-; CHECK-NEXT: sub i3 %input, -4
-; CHECK-NEXT: zext i3 %switch.tableidx to i24
-; CHECK-NEXT: mul i24 %switch.cast, 3
-; CHECK-NEXT: lshr i24 7507338, %switch.shiftamt
-; CHECK-NEXT: trunc i24 %switch.downshift to i3
-; CHECK-NEXT: ret i3 %switch.masked
-
 define i3 @coveredswitch_test(i3 %input) {
+; CHECK-LABEL: @coveredswitch_test(
+; CHECK-NEXT:  entry:
+; CHECK-NEXT:    [[TMP0:%.*]] = icmp ult i3 [[INPUT:%.*]], -2
+; CHECK-NEXT:    br i1 [[TMP0]], label [[SWITCH_LOOKUP:%.*]], label [[BB8:%.*]]
+; CHECK:       switch.lookup:
+; CHECK-NEXT:    [[SWITCH_CAST:%.*]] = zext i3 [[INPUT]] to i18
+; CHECK-NEXT:    [[SWITCH_SHIFTAMT:%.*]] = mul i18 [[SWITCH_CAST]], 3
+; CHECK-NEXT:    [[SWITCH_DOWNSHIFT:%.*]] = lshr i18 42792, [[SWITCH_SHIFTAMT]]
+; CHECK-NEXT:    [[SWITCH_MASKED:%.*]] = trunc i18 [[SWITCH_DOWNSHIFT]] to i3
+; CHECK-NEXT:    ret i3 [[SWITCH_MASKED]]
+; CHECK:       bb8:
+; CHECK-NEXT:    ret i3 -2
+;
 entry:
   switch i3 %input, label %bb8 [
-    i3 0, label %bb7
-    i3 1, label %bb
-    i3 2, label %bb3
-    i3 3, label %bb4
-    i3 4, label %bb5
-    i3 5, label %bb6
+  i3 0, label %bb7
+  i3 1, label %bb
+  i3 2, label %bb3
+  i3 3, label %bb4
+  i3 4, label %bb5
+  i3 5, label %bb6
   ]
 
 bb:                                               ; preds = %entry
diff --git a/test/Transforms/SimplifyCFG/X86/disable-lookup-table.ll b/test/Transforms/SimplifyCFG/X86/disable-lookup-table.ll
index 735a97f305e..05e5e863937 100644
--- a/test/Transforms/SimplifyCFG/X86/disable-lookup-table.ll
+++ b/test/Transforms/SimplifyCFG/X86/disable-lookup-table.ll
@@ -5,10 +5,6 @@
 target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
 ; In the presence of "-no-jump-tables"="true", simplifycfg should not convert switches to lookup tables.
 
-; CHECK: @switch.table.bar = private unnamed_addr constant [4 x i32] [i32 55, i32 123, i32 0, i32 -1]
-; CHECK-LABEL: foo
-; CHECK-NOT: @switch.table.foo = private unnamed_addr constant [4 x i32] [i32 55, i32 123, i32 0, i32 -1]
-
 define i32 @foo(i32 %c) "no-jump-tables"="true" {
 ; CHECK-LABEL: @foo(
 ; CHECK-NEXT:  entry:
diff --git a/test/Transforms/SimplifyCFG/X86/switch_to_lookup_table.ll b/test/Transforms/SimplifyCFG/X86/switch_to_lookup_table.ll
index f1c550cf94f..2cdc7257fa9 100644
--- a/test/Transforms/SimplifyCFG/X86/switch_to_lookup_table.ll
+++ b/test/Transforms/SimplifyCFG/X86/switch_to_lookup_table.ll
@@ -20,10 +20,10 @@ target triple = "x86_64-unknown-linux-gnu"
 ; CHECK: @switch.table.earlyreturncrash = private unnamed_addr constant [4 x i32] [i32 42, i32 9, i32 88, i32 5], align 4
 
 ; The table for @large
-; CHECK: @switch.table.large = private unnamed_addr constant [199 x i32] [i32 1, i32 4, i32 9,
+; CHECK: @switch.table.large = private unnamed_addr constant [200 x i32] [i32 0, i32 1, i32 4, i32 9,
 
 ; The table for @cprop
-; CHECK: @switch.table.cprop = private unnamed_addr constant [7 x i32] [i32 5, i32 42, i32 126, i32 -452, i32 128, i32 6, i32 7], align 4
+; CHECK: @switch.table.cprop = private unnamed_addr constant [8 x i32] [i32 123, i32 5, i32 42, i32 126, i32 -452, i32 128, i32 6, i32 7], align 4
 
 ; The table for @unreachable_case
 ; CHECK: @switch.table.unreachable_case = private unnamed_addr constant [9 x i32] [i32 0, i32 0, i32 0, i32 2, i32 -1, i32 1, i32 1, i32 1, i32 1], align 4