maxjhandsome
/
llvm-project
forked from OSchip/llvm-project
1
0
Fork 0
Code Issues Pull Requests Packages Releases Wiki Activity

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

No problems with the transforms.

llvm-svn: 361730
This commit is contained in:
Shawn Landden 2019-05-26 14:44:14 +00:00
parent 9317963920
commit 927fe7328d
3 changed files with 22 additions and 21 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

35
llvm/test/Transforms/SimplifyCFG/CoveredLookupTable.ll
View File

@ -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

4
llvm/test/Transforms/SimplifyCFG/X86/disable-lookup-table.ll
View File

@ -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:

4
llvm/test/Transforms/SimplifyCFG/X86/switch_to_lookup_table.ll
View File

@ -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