[BDCE] Remove -instsimplify from BDCE test; NFC

To make it more obvious which part of the transformation is carried
out by BDCE. Also drop the CHECK-IO lines which only run -instsimplify
as they don't really seem meaningful if the main check doesn't run
-instsimplify either.

llvm-svn: 350189

1 files changed, 19 insertions, 56 deletions

diff --git a/llvm/test/Transforms/BDCE/vectors.ll b/llvm/test/Transforms/BDCE/vectors.ll
index fde22fd36b7..f9d048cb705 100644
--- a/llvm/test/Transforms/BDCE/vectors.ll
+++ b/llvm/test/Transforms/BDCE/vectors.ll
@@ -1,26 +1,18 @@
 ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
-; RUN: opt -S -bdce -instsimplify < %s | FileCheck %s
-; RUN: opt -S -instsimplify < %s | FileCheck %s -check-prefix=CHECK-IO
-; CHECK-IO lines to ensure that transformations are not performed by only instsimplify.
+; RUN: opt -S -bdce < %s | FileCheck %s
 
 ; BDCE applied to integer vectors.
 
 define <2 x i32> @test_basic(<2 x i32> %a, <2 x i32> %b) {
 ; CHECK-LABEL: @test_basic(
+; CHECK-NEXT:    [[A2:%.*]] = add <2 x i32> [[A:%.*]], <i32 1, i32 1>
+; CHECK-NEXT:    [[A3:%.*]] = and <2 x i32> zeroinitializer, <i32 4, i32 4>
 ; CHECK-NEXT:    [[B2:%.*]] = add <2 x i32> [[B:%.*]], <i32 1, i32 1>
 ; CHECK-NEXT:    [[B3:%.*]] = and <2 x i32> [[B2]], <i32 8, i32 8>
-; CHECK-NEXT:    [[D:%.*]] = ashr <2 x i32> [[B3]], <i32 3, i32 3>
+; CHECK-NEXT:    [[C:%.*]] = or <2 x i32> [[A3]], [[B3]]
+; CHECK-NEXT:    [[D:%.*]] = ashr <2 x i32> [[C]], <i32 3, i32 3>
 ; CHECK-NEXT:    ret <2 x i32> [[D]]
 ;
-; CHECK-IO-LABEL: @test_basic(
-; CHECK-IO-NEXT:    [[A2:%.*]] = add <2 x i32> [[A:%.*]], <i32 1, i32 1>
-; CHECK-IO-NEXT:    [[A3:%.*]] = and <2 x i32> [[A2]], <i32 4, i32 4>
-; CHECK-IO-NEXT:    [[B2:%.*]] = add <2 x i32> [[B:%.*]], <i32 1, i32 1>
-; CHECK-IO-NEXT:    [[B3:%.*]] = and <2 x i32> [[B2]], <i32 8, i32 8>
-; CHECK-IO-NEXT:    [[C:%.*]] = or <2 x i32> [[A3]], [[B3]]
-; CHECK-IO-NEXT:    [[D:%.*]] = ashr <2 x i32> [[C]], <i32 3, i32 3>
-; CHECK-IO-NEXT:    ret <2 x i32> [[D]]
-;
   %a2 = add <2 x i32> %a, <i32 1, i32 1>
   %a3 = and <2 x i32> %a2, <i32 4, i32 4>
   %b2 = add <2 x i32> %b, <i32 1, i32 1>
@@ -33,22 +25,15 @@ define <2 x i32> @test_basic(<2 x i32> %a, <2 x i32> %b) {
 ; Going vector -> scalar
 define i32 @test_extractelement(<2 x i32> %a, <2 x i32> %b) {
 ; CHECK-LABEL: @test_extractelement(
+; CHECK-NEXT:    [[A2:%.*]] = add <2 x i32> [[A:%.*]], <i32 1, i32 1>
+; CHECK-NEXT:    [[A3:%.*]] = and <2 x i32> zeroinitializer, <i32 4, i32 4>
 ; CHECK-NEXT:    [[B2:%.*]] = add <2 x i32> [[B:%.*]], <i32 1, i32 1>
 ; CHECK-NEXT:    [[B3:%.*]] = and <2 x i32> [[B2]], <i32 8, i32 8>
-; CHECK-NEXT:    [[D:%.*]] = extractelement <2 x i32> [[B3]], i32 0
+; CHECK-NEXT:    [[C:%.*]] = or <2 x i32> [[A3]], [[B3]]
+; CHECK-NEXT:    [[D:%.*]] = extractelement <2 x i32> [[C]], i32 0
 ; CHECK-NEXT:    [[E:%.*]] = ashr i32 [[D]], 3
 ; CHECK-NEXT:    ret i32 [[E]]
 ;
-; CHECK-IO-LABEL: @test_extractelement(
-; CHECK-IO-NEXT:    [[A2:%.*]] = add <2 x i32> [[A:%.*]], <i32 1, i32 1>
-; CHECK-IO-NEXT:    [[A3:%.*]] = and <2 x i32> [[A2]], <i32 4, i32 4>
-; CHECK-IO-NEXT:    [[B2:%.*]] = add <2 x i32> [[B:%.*]], <i32 1, i32 1>
-; CHECK-IO-NEXT:    [[B3:%.*]] = and <2 x i32> [[B2]], <i32 8, i32 8>
-; CHECK-IO-NEXT:    [[C:%.*]] = or <2 x i32> [[A3]], [[B3]]
-; CHECK-IO-NEXT:    [[D:%.*]] = extractelement <2 x i32> [[C]], i32 0
-; CHECK-IO-NEXT:    [[E:%.*]] = ashr i32 [[D]], 3
-; CHECK-IO-NEXT:    ret i32 [[E]]
-;
   %a2 = add <2 x i32> %a, <i32 1, i32 1>
   %a3 = and <2 x i32> %a2, <i32 4, i32 4>
   %b2 = add <2 x i32> %b, <i32 1, i32 1>
@@ -62,23 +47,16 @@ define i32 @test_extractelement(<2 x i32> %a, <2 x i32> %b) {
 ; Going scalar -> vector
 define <2 x i32> @test_insertelement(i32 %a, i32 %b) {
 ; CHECK-LABEL: @test_insertelement(
-; CHECK-NEXT:    [[Y:%.*]] = insertelement <2 x i32> undef, i32 [[B:%.*]], i32 0
-; CHECK-NEXT:    [[Y2:%.*]] = insertelement <2 x i32> [[Y]], i32 [[A:%.*]], i32 1
+; CHECK-NEXT:    [[X:%.*]] = insertelement <2 x i32> undef, i32 [[A:%.*]], i32 0
+; CHECK-NEXT:    [[X2:%.*]] = insertelement <2 x i32> zeroinitializer, i32 [[B:%.*]], i32 1
+; CHECK-NEXT:    [[X3:%.*]] = and <2 x i32> zeroinitializer, <i32 4, i32 4>
+; CHECK-NEXT:    [[Y:%.*]] = insertelement <2 x i32> undef, i32 [[B]], i32 0
+; CHECK-NEXT:    [[Y2:%.*]] = insertelement <2 x i32> [[Y]], i32 [[A]], i32 1
 ; CHECK-NEXT:    [[Y3:%.*]] = and <2 x i32> [[Y2]], <i32 8, i32 8>
-; CHECK-NEXT:    [[U:%.*]] = ashr <2 x i32> [[Y3]], <i32 3, i32 3>
+; CHECK-NEXT:    [[Z:%.*]] = or <2 x i32> [[X3]], [[Y3]]
+; CHECK-NEXT:    [[U:%.*]] = ashr <2 x i32> [[Z]], <i32 3, i32 3>
 ; CHECK-NEXT:    ret <2 x i32> [[U]]
 ;
-; CHECK-IO-LABEL: @test_insertelement(
-; CHECK-IO-NEXT:    [[X:%.*]] = insertelement <2 x i32> undef, i32 [[A:%.*]], i32 0
-; CHECK-IO-NEXT:    [[X2:%.*]] = insertelement <2 x i32> [[X]], i32 [[B:%.*]], i32 1
-; CHECK-IO-NEXT:    [[X3:%.*]] = and <2 x i32> [[X2]], <i32 4, i32 4>
-; CHECK-IO-NEXT:    [[Y:%.*]] = insertelement <2 x i32> undef, i32 [[B]], i32 0
-; CHECK-IO-NEXT:    [[Y2:%.*]] = insertelement <2 x i32> [[Y]], i32 [[A]], i32 1
-; CHECK-IO-NEXT:    [[Y3:%.*]] = and <2 x i32> [[Y2]], <i32 8, i32 8>
-; CHECK-IO-NEXT:    [[Z:%.*]] = or <2 x i32> [[X3]], [[Y3]]
-; CHECK-IO-NEXT:    [[U:%.*]] = ashr <2 x i32> [[Z]], <i32 3, i32 3>
-; CHECK-IO-NEXT:    ret <2 x i32> [[U]]
-;
   %x = insertelement <2 x i32> undef, i32 %a, i32 0
   %x2 = insertelement <2 x i32> %x, i32 %b, i32 1
   %x3 = and <2 x i32> %x2, <i32 4, i32 4>
@@ -101,15 +79,6 @@ define <2 x i32> @test_conversion(<2 x i32> %a) {
 ; CHECK-NEXT:    [[U:%.*]] = ashr <2 x i32> [[Z]], <i32 3, i32 3>
 ; CHECK-NEXT:    ret <2 x i32> [[U]]
 ;
-; CHECK-IO-LABEL: @test_conversion(
-; CHECK-IO-NEXT:    [[A2:%.*]] = add <2 x i32> [[A:%.*]], <i32 1, i32 1>
-; CHECK-IO-NEXT:    [[A3:%.*]] = and <2 x i32> [[A2]], <i32 2, i32 2>
-; CHECK-IO-NEXT:    [[X:%.*]] = uitofp <2 x i32> [[A3]] to <2 x double>
-; CHECK-IO-NEXT:    [[Y:%.*]] = fadd <2 x double> [[X]], <double 1.000000e+00, double 1.000000e+00>
-; CHECK-IO-NEXT:    [[Z:%.*]] = fptoui <2 x double> [[Y]] to <2 x i32>
-; CHECK-IO-NEXT:    [[U:%.*]] = ashr <2 x i32> [[Z]], <i32 3, i32 3>
-; CHECK-IO-NEXT:    ret <2 x i32> [[U]]
-;
   %a2 = add <2 x i32> %a, <i32 1, i32 1>
   %a3 = and <2 x i32> %a2, <i32 2, i32 2>
   %x = uitofp <2 x i32> %a3 to <2 x double>
@@ -122,19 +91,13 @@ define <2 x i32> @test_conversion(<2 x i32> %a) {
 ; Assumption invalidation (adapted from invalidate-assumptions.ll)
 define <2 x i1> @test_assumption_invalidation(<2 x i1> %b, <2 x i8> %x) {
 ; CHECK-LABEL: @test_assumption_invalidation(
+; CHECK-NEXT:    [[SETBIT:%.*]] = or <2 x i8> [[X:%.*]], <i8 64, i8 64>
 ; CHECK-NEXT:    [[LITTLE_NUMBER:%.*]] = zext <2 x i1> [[B:%.*]] to <2 x i8>
-; CHECK-NEXT:    [[SUB:%.*]] = sub <2 x i8> zeroinitializer, [[LITTLE_NUMBER]]
+; CHECK-NEXT:    [[BIG_NUMBER:%.*]] = shl <2 x i8> zeroinitializer, <i8 1, i8 1>
+; CHECK-NEXT:    [[SUB:%.*]] = sub <2 x i8> [[BIG_NUMBER]], [[LITTLE_NUMBER]]
 ; CHECK-NEXT:    [[TRUNC:%.*]] = trunc <2 x i8> [[SUB]] to <2 x i1>
 ; CHECK-NEXT:    ret <2 x i1> [[TRUNC]]
 ;
-; CHECK-IO-LABEL: @test_assumption_invalidation(
-; CHECK-IO-NEXT:    [[SETBIT:%.*]] = or <2 x i8> [[X:%.*]], <i8 64, i8 64>
-; CHECK-IO-NEXT:    [[LITTLE_NUMBER:%.*]] = zext <2 x i1> [[B:%.*]] to <2 x i8>
-; CHECK-IO-NEXT:    [[BIG_NUMBER:%.*]] = shl <2 x i8> [[SETBIT]], <i8 1, i8 1>
-; CHECK-IO-NEXT:    [[SUB:%.*]] = sub nuw <2 x i8> [[BIG_NUMBER]], [[LITTLE_NUMBER]]
-; CHECK-IO-NEXT:    [[TRUNC:%.*]] = trunc <2 x i8> [[SUB]] to <2 x i1>
-; CHECK-IO-NEXT:    ret <2 x i1> [[TRUNC]]
-;
   %setbit = or <2 x i8> %x, <i8 64, i8 64>
   %little_number = zext <2 x i1> %b to <2 x i8>
   %big_number = shl <2 x i8> %setbit, <i8 1, i8 1>