diff options
| author | Shawn Landden <shawn@git.icu> | 2019-06-13 02:24:24 +0000 |
|---|---|---|
| committer | Shawn Landden <shawn@git.icu> | 2019-06-13 02:24:24 +0000 |
| commit | f93b99b2b6a429f020aca2ea8c503e7553f3777c (patch) | |
| tree | 3da484444848c18ab5bb7532d5c6b3e83e05d3ed /llvm/test/Transforms/SimplifyCFG/CoveredLookupTable.ll | |
| parent | f3356722184362c2e99ad6590f26eacadb507377 (diff) | |
| download | bcm5719-llvm-f93b99b2b6a429f020aca2ea8c503e7553f3777c.tar.gz bcm5719-llvm-f93b99b2b6a429f020aca2ea8c503e7553f3777c.zip | |
[SimplifyCFG] NFC, update Switch tests to HEAD so I can
see if my changes change anything
Also add baseline tests to show effect of later patches.
Differential Revision: https://reviews.llvm.org/D61150
llvm-svn: 363222
Diffstat (limited to 'llvm/test/Transforms/SimplifyCFG/CoveredLookupTable.ll')
| -rw-r--r-- | llvm/test/Transforms/SimplifyCFG/CoveredLookupTable.ll | 35 |
1 files changed, 20 insertions, 15 deletions
diff --git a/llvm/test/Transforms/SimplifyCFG/CoveredLookupTable.ll b/llvm/test/Transforms/SimplifyCFG/CoveredLookupTable.ll index e558956d502..79a6d01d0f3 100644 --- a/llvm/test/Transforms/SimplifyCFG/CoveredLookupTable.ll +++ b/llvm/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 |
