From: Simon Pilgrim <llvm-dev@redking.me.uk>
Date: Sat, 25 Jul 2015 17:14:01 +0000 (+0000)
Subject: [InstCombine] Split off SSE4a tests.
X-Git-Url: http://plrg.eecs.uci.edu/git/?p=oota-llvm.git;a=commitdiff_plain;h=9e297691a4aad4d5eecddeccff94faa245271117

[InstCombine] Split off SSE4a tests.

These aren't vector demanded bits tests. More tests to follow.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@243223 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/test/Transforms/InstCombine/vec_demanded_elts.ll b/test/Transforms/InstCombine/vec_demanded_elts.ll
index 4245c7a3c13..cf56b012a20 100644
--- a/test/Transforms/InstCombine/vec_demanded_elts.ll
+++ b/test/Transforms/InstCombine/vec_demanded_elts.ll
@@ -210,130 +210,6 @@ define <4 x float> @test_select(float %f, float %g) {
   ret <4 x float> %ret
 }
 
-; We should optimize these two redundant insertqi into one
-; CHECK: define <2 x i64> @testInsertTwice(<2 x i64> %v, <2 x i64> %i)
-define <2 x i64> @testInsertTwice(<2 x i64> %v, <2 x i64> %i) {
-; CHECK: call <2 x i64> @llvm.x86.sse4a.insertqi(<2 x i64> %v, <2 x i64> %i, i8 32, i8 32)
-; CHECK-NOT: insertqi
-  %1 = tail call <2 x i64> @llvm.x86.sse4a.insertqi(<2 x i64> %v, <2 x i64> %i, i8 32, i8 32)
-  %2 = tail call <2 x i64> @llvm.x86.sse4a.insertqi(<2 x i64> %1, <2 x i64> %i, i8 32, i8 32)
-  ret <2 x i64> %2
-}
-
-; The result of this insert is the second arg, since the top 64 bits of
-; the result are undefined, and we copy the bottom 64 bits from the
-; second arg
-; CHECK: define <2 x i64> @testInsert64Bits(<2 x i64> %v, <2 x i64> %i)
-define <2 x i64> @testInsert64Bits(<2 x i64> %v, <2 x i64> %i) {
-; CHECK: ret <2 x i64> %i
-  %1 = tail call <2 x i64> @llvm.x86.sse4a.insertqi(<2 x i64> %v, <2 x i64> %i, i8 64, i8 0)
-  ret <2 x i64> %1
-}
-
-; Test the several types of ranges and ordering that exist for two insertqi
-; CHECK: define <2 x i64> @testInsertContainedRange(<2 x i64> %v, <2 x i64> %i)
-define <2 x i64> @testInsertContainedRange(<2 x i64> %v, <2 x i64> %i) {
-; CHECK: %[[RES:.*]] = call <2 x i64> @llvm.x86.sse4a.insertqi(<2 x i64> %v, <2 x i64> %i, i8 32, i8 0)
-; CHECK: ret <2 x i64> %[[RES]]
-  %1 = tail call <2 x i64> @llvm.x86.sse4a.insertqi(<2 x i64> %v, <2 x i64> %i, i8 32, i8 0)
-  %2 = tail call <2 x i64> @llvm.x86.sse4a.insertqi(<2 x i64> %1, <2 x i64> %i, i8 16, i8 16)
-  ret <2 x i64> %2
-}
-
-; CHECK: define <2 x i64> @testInsertContainedRange_2(<2 x i64> %v, <2 x i64> %i)
-define <2 x i64> @testInsertContainedRange_2(<2 x i64> %v, <2 x i64> %i) {
-; CHECK: %[[RES:.*]] = call <2 x i64> @llvm.x86.sse4a.insertqi(<2 x i64> %v, <2 x i64> %i, i8 32, i8 0)
-; CHECK: ret <2 x i64> %[[RES]]
-  %1 = tail call <2 x i64> @llvm.x86.sse4a.insertqi(<2 x i64> %v, <2 x i64> %i, i8 16, i8 16)
-  %2 = tail call <2 x i64> @llvm.x86.sse4a.insertqi(<2 x i64> %1, <2 x i64> %i, i8 32, i8 0)
-  ret <2 x i64> %2
-}
-
-; CHECK: define <2 x i64> @testInsertOverlappingRange(<2 x i64> %v, <2 x i64> %i)
-define <2 x i64> @testInsertOverlappingRange(<2 x i64> %v, <2 x i64> %i) {
-; CHECK: %[[RES:.*]] = call <2 x i64> @llvm.x86.sse4a.insertqi(<2 x i64> %v, <2 x i64> %i, i8 48, i8 0)
-; CHECK: ret <2 x i64> %[[RES]]
-  %1 = tail call <2 x i64> @llvm.x86.sse4a.insertqi(<2 x i64> %v, <2 x i64> %i, i8 32, i8 0)
-  %2 = tail call <2 x i64> @llvm.x86.sse4a.insertqi(<2 x i64> %1, <2 x i64> %i, i8 32, i8 16)
-  ret <2 x i64> %2
-}
-
-; CHECK: define <2 x i64> @testInsertOverlappingRange_2(<2 x i64> %v, <2 x i64> %i)
-define <2 x i64> @testInsertOverlappingRange_2(<2 x i64> %v, <2 x i64> %i) {
-; CHECK: %[[RES:.*]] = call <2 x i64> @llvm.x86.sse4a.insertqi(<2 x i64> %v, <2 x i64> %i, i8 48, i8 0)
-; CHECK: ret <2 x i64> %[[RES]]
-  %1 = tail call <2 x i64> @llvm.x86.sse4a.insertqi(<2 x i64> %v, <2 x i64> %i, i8 32, i8 16)
-  %2 = tail call <2 x i64> @llvm.x86.sse4a.insertqi(<2 x i64> %1, <2 x i64> %i, i8 32, i8 0)
-  ret <2 x i64> %2
-}
-
-; CHECK: define <2 x i64> @testInsertAdjacentRange(<2 x i64> %v, <2 x i64> %i)
-define <2 x i64> @testInsertAdjacentRange(<2 x i64> %v, <2 x i64> %i) {
-; CHECK: %[[RES:.*]] = call <2 x i64> @llvm.x86.sse4a.insertqi(<2 x i64> %v, <2 x i64> %i, i8 48, i8 0)
-; CHECK: ret <2 x i64> %[[RES]]
-  %1 = tail call <2 x i64> @llvm.x86.sse4a.insertqi(<2 x i64> %v, <2 x i64> %i, i8 32, i8 0)
-  %2 = tail call <2 x i64> @llvm.x86.sse4a.insertqi(<2 x i64> %1, <2 x i64> %i, i8 16, i8 32)
-  ret <2 x i64> %2
-}
-
-; CHECK: define <2 x i64> @testInsertAdjacentRange_2(<2 x i64> %v, <2 x i64> %i)
-define <2 x i64> @testInsertAdjacentRange_2(<2 x i64> %v, <2 x i64> %i) {
-; CHECK: %[[RES:.*]] = call <2 x i64> @llvm.x86.sse4a.insertqi(<2 x i64> %v, <2 x i64> %i, i8 48, i8 0)
-; CHECK: ret <2 x i64> %[[RES]]
-  %1 = tail call <2 x i64> @llvm.x86.sse4a.insertqi(<2 x i64> %v, <2 x i64> %i, i8 16, i8 32)
-  %2 = tail call <2 x i64> @llvm.x86.sse4a.insertqi(<2 x i64> %1, <2 x i64> %i, i8 32, i8 0)
-  ret <2 x i64> %2
-}
-
-; CHECK: define <2 x i64> @testInsertDisjointRange(<2 x i64> %v, <2 x i64> %i)
-define <2 x i64> @testInsertDisjointRange(<2 x i64> %v, <2 x i64> %i) {
-; CHECK: tail call <2 x i64> @llvm.x86.sse4a.insertqi(<2 x i64> %v, <2 x i64> %i, i8 16, i8 0)
-; CHECK: tail call <2 x i64> @llvm.x86.sse4a.insertqi(<2 x i64> %1, <2 x i64> %i, i8 16, i8 32)
-  %1 = tail call <2 x i64> @llvm.x86.sse4a.insertqi(<2 x i64> %v, <2 x i64> %i, i8 16, i8 0)
-  %2 = tail call <2 x i64> @llvm.x86.sse4a.insertqi(<2 x i64> %1, <2 x i64> %i, i8 16, i8 32)
-  ret <2 x i64> %2
-}
-
-; CHECK: define <2 x i64> @testInsertDisjointRange_2(<2 x i64> %v, <2 x i64> %i)
-define <2 x i64> @testInsertDisjointRange_2(<2 x i64> %v, <2 x i64> %i) {
-; CHECK:  tail call <2 x i64> @llvm.x86.sse4a.insertqi(<2 x i64> %v, <2 x i64> %i, i8 16, i8 0)
-; CHECK:  tail call <2 x i64> @llvm.x86.sse4a.insertqi(<2 x i64> %1, <2 x i64> %i, i8 16, i8 32)
-  %1 = tail call <2 x i64> @llvm.x86.sse4a.insertqi(<2 x i64> %v, <2 x i64> %i, i8 16, i8 0)
-  %2 = tail call <2 x i64> @llvm.x86.sse4a.insertqi(<2 x i64> %1, <2 x i64> %i, i8 16, i8 32)
-  ret <2 x i64> %2
-}
-
-; CHECK: define <2 x i64> @testZeroLength(<2 x i64> %v, <2 x i64> %i)
-define <2 x i64> @testZeroLength(<2 x i64> %v, <2 x i64> %i) {
-; CHECK: ret <2 x i64> %i
-  %1 = tail call <2 x i64> @llvm.x86.sse4a.insertqi(<2 x i64> %v, <2 x i64> %i, i8 0, i8 0)
-  ret <2 x i64> %1
-}
-
-; CHECK: define <2 x i64> @testUndefinedInsertq_1(<2 x i64> %v, <2 x i64> %i)
-define <2 x i64> @testUndefinedInsertq_1(<2 x i64> %v, <2 x i64> %i) {
-; CHECK: ret <2 x i64> undef
-  %1 = tail call <2 x i64> @llvm.x86.sse4a.insertqi(<2 x i64> %v, <2 x i64> %i, i8 0, i8 16)
-  ret <2 x i64> %1
-}
-
-; CHECK: define <2 x i64> @testUndefinedInsertq_2(<2 x i64> %v, <2 x i64> %i)
-define <2 x i64> @testUndefinedInsertq_2(<2 x i64> %v, <2 x i64> %i) {
-; CHECK: ret <2 x i64> undef
-  %1 = tail call <2 x i64> @llvm.x86.sse4a.insertqi(<2 x i64> %v, <2 x i64> %i, i8 48, i8 32)
-  ret <2 x i64> %1
-}
-
-; CHECK: define <2 x i64> @testUndefinedInsertq_3(<2 x i64> %v, <2 x i64> %i)
-define <2 x i64> @testUndefinedInsertq_3(<2 x i64> %v, <2 x i64> %i) {
-; CHECK: ret <2 x i64> undef
-  %1 = tail call <2 x i64> @llvm.x86.sse4a.insertqi(<2 x i64> %v, <2 x i64> %i, i8 64, i8 16)
-  ret <2 x i64> %1
-}
-
-; CHECK: declare <2 x i64> @llvm.x86.sse4a.insertqi
-declare <2 x i64> @llvm.x86.sse4a.insertqi(<2 x i64>, <2 x i64>, i8, i8) nounwind
-
 declare <4 x float> @llvm.x86.avx.vpermilvar.ps(<4 x float>, <4 x i32>)
 define <4 x float> @test_vpermilvar_ps(<4 x float> %v) {
 ; CHECK-LABEL: @test_vpermilvar_ps(
diff --git a/test/Transforms/InstCombine/x86-sse4a.ll b/test/Transforms/InstCombine/x86-sse4a.ll
new file mode 100644
index 00000000000..9766fe9329d
--- /dev/null
+++ b/test/Transforms/InstCombine/x86-sse4a.ll
@@ -0,0 +1,125 @@
+; RUN: opt < %s -instcombine -S | FileCheck %s
+
+; We should optimize these two redundant insertqi into one
+; CHECK: define <2 x i64> @testInsertTwice(<2 x i64> %v, <2 x i64> %i)
+define <2 x i64> @testInsertTwice(<2 x i64> %v, <2 x i64> %i) {
+; CHECK: call <2 x i64> @llvm.x86.sse4a.insertqi(<2 x i64> %v, <2 x i64> %i, i8 32, i8 32)
+; CHECK-NOT: insertqi
+  %1 = tail call <2 x i64> @llvm.x86.sse4a.insertqi(<2 x i64> %v, <2 x i64> %i, i8 32, i8 32)
+  %2 = tail call <2 x i64> @llvm.x86.sse4a.insertqi(<2 x i64> %1, <2 x i64> %i, i8 32, i8 32)
+  ret <2 x i64> %2
+}
+
+; The result of this insert is the second arg, since the top 64 bits of
+; the result are undefined, and we copy the bottom 64 bits from the
+; second arg
+; CHECK: define <2 x i64> @testInsert64Bits(<2 x i64> %v, <2 x i64> %i)
+define <2 x i64> @testInsert64Bits(<2 x i64> %v, <2 x i64> %i) {
+; CHECK: ret <2 x i64> %i
+  %1 = tail call <2 x i64> @llvm.x86.sse4a.insertqi(<2 x i64> %v, <2 x i64> %i, i8 64, i8 0)
+  ret <2 x i64> %1
+}
+
+; Test the several types of ranges and ordering that exist for two insertqi
+; CHECK: define <2 x i64> @testInsertContainedRange(<2 x i64> %v, <2 x i64> %i)
+define <2 x i64> @testInsertContainedRange(<2 x i64> %v, <2 x i64> %i) {
+; CHECK: %[[RES:.*]] = call <2 x i64> @llvm.x86.sse4a.insertqi(<2 x i64> %v, <2 x i64> %i, i8 32, i8 0)
+; CHECK: ret <2 x i64> %[[RES]]
+  %1 = tail call <2 x i64> @llvm.x86.sse4a.insertqi(<2 x i64> %v, <2 x i64> %i, i8 32, i8 0)
+  %2 = tail call <2 x i64> @llvm.x86.sse4a.insertqi(<2 x i64> %1, <2 x i64> %i, i8 16, i8 16)
+  ret <2 x i64> %2
+}
+
+; CHECK: define <2 x i64> @testInsertContainedRange_2(<2 x i64> %v, <2 x i64> %i)
+define <2 x i64> @testInsertContainedRange_2(<2 x i64> %v, <2 x i64> %i) {
+; CHECK: %[[RES:.*]] = call <2 x i64> @llvm.x86.sse4a.insertqi(<2 x i64> %v, <2 x i64> %i, i8 32, i8 0)
+; CHECK: ret <2 x i64> %[[RES]]
+  %1 = tail call <2 x i64> @llvm.x86.sse4a.insertqi(<2 x i64> %v, <2 x i64> %i, i8 16, i8 16)
+  %2 = tail call <2 x i64> @llvm.x86.sse4a.insertqi(<2 x i64> %1, <2 x i64> %i, i8 32, i8 0)
+  ret <2 x i64> %2
+}
+
+; CHECK: define <2 x i64> @testInsertOverlappingRange(<2 x i64> %v, <2 x i64> %i)
+define <2 x i64> @testInsertOverlappingRange(<2 x i64> %v, <2 x i64> %i) {
+; CHECK: %[[RES:.*]] = call <2 x i64> @llvm.x86.sse4a.insertqi(<2 x i64> %v, <2 x i64> %i, i8 48, i8 0)
+; CHECK: ret <2 x i64> %[[RES]]
+  %1 = tail call <2 x i64> @llvm.x86.sse4a.insertqi(<2 x i64> %v, <2 x i64> %i, i8 32, i8 0)
+  %2 = tail call <2 x i64> @llvm.x86.sse4a.insertqi(<2 x i64> %1, <2 x i64> %i, i8 32, i8 16)
+  ret <2 x i64> %2
+}
+
+; CHECK: define <2 x i64> @testInsertOverlappingRange_2(<2 x i64> %v, <2 x i64> %i)
+define <2 x i64> @testInsertOverlappingRange_2(<2 x i64> %v, <2 x i64> %i) {
+; CHECK: %[[RES:.*]] = call <2 x i64> @llvm.x86.sse4a.insertqi(<2 x i64> %v, <2 x i64> %i, i8 48, i8 0)
+; CHECK: ret <2 x i64> %[[RES]]
+  %1 = tail call <2 x i64> @llvm.x86.sse4a.insertqi(<2 x i64> %v, <2 x i64> %i, i8 32, i8 16)
+  %2 = tail call <2 x i64> @llvm.x86.sse4a.insertqi(<2 x i64> %1, <2 x i64> %i, i8 32, i8 0)
+  ret <2 x i64> %2
+}
+
+; CHECK: define <2 x i64> @testInsertAdjacentRange(<2 x i64> %v, <2 x i64> %i)
+define <2 x i64> @testInsertAdjacentRange(<2 x i64> %v, <2 x i64> %i) {
+; CHECK: %[[RES:.*]] = call <2 x i64> @llvm.x86.sse4a.insertqi(<2 x i64> %v, <2 x i64> %i, i8 48, i8 0)
+; CHECK: ret <2 x i64> %[[RES]]
+  %1 = tail call <2 x i64> @llvm.x86.sse4a.insertqi(<2 x i64> %v, <2 x i64> %i, i8 32, i8 0)
+  %2 = tail call <2 x i64> @llvm.x86.sse4a.insertqi(<2 x i64> %1, <2 x i64> %i, i8 16, i8 32)
+  ret <2 x i64> %2
+}
+
+; CHECK: define <2 x i64> @testInsertAdjacentRange_2(<2 x i64> %v, <2 x i64> %i)
+define <2 x i64> @testInsertAdjacentRange_2(<2 x i64> %v, <2 x i64> %i) {
+; CHECK: %[[RES:.*]] = call <2 x i64> @llvm.x86.sse4a.insertqi(<2 x i64> %v, <2 x i64> %i, i8 48, i8 0)
+; CHECK: ret <2 x i64> %[[RES]]
+  %1 = tail call <2 x i64> @llvm.x86.sse4a.insertqi(<2 x i64> %v, <2 x i64> %i, i8 16, i8 32)
+  %2 = tail call <2 x i64> @llvm.x86.sse4a.insertqi(<2 x i64> %1, <2 x i64> %i, i8 32, i8 0)
+  ret <2 x i64> %2
+}
+
+; CHECK: define <2 x i64> @testInsertDisjointRange(<2 x i64> %v, <2 x i64> %i)
+define <2 x i64> @testInsertDisjointRange(<2 x i64> %v, <2 x i64> %i) {
+; CHECK: tail call <2 x i64> @llvm.x86.sse4a.insertqi(<2 x i64> %v, <2 x i64> %i, i8 16, i8 0)
+; CHECK: tail call <2 x i64> @llvm.x86.sse4a.insertqi(<2 x i64> %1, <2 x i64> %i, i8 16, i8 32)
+  %1 = tail call <2 x i64> @llvm.x86.sse4a.insertqi(<2 x i64> %v, <2 x i64> %i, i8 16, i8 0)
+  %2 = tail call <2 x i64> @llvm.x86.sse4a.insertqi(<2 x i64> %1, <2 x i64> %i, i8 16, i8 32)
+  ret <2 x i64> %2
+}
+
+; CHECK: define <2 x i64> @testInsertDisjointRange_2(<2 x i64> %v, <2 x i64> %i)
+define <2 x i64> @testInsertDisjointRange_2(<2 x i64> %v, <2 x i64> %i) {
+; CHECK:  tail call <2 x i64> @llvm.x86.sse4a.insertqi(<2 x i64> %v, <2 x i64> %i, i8 16, i8 0)
+; CHECK:  tail call <2 x i64> @llvm.x86.sse4a.insertqi(<2 x i64> %1, <2 x i64> %i, i8 16, i8 32)
+  %1 = tail call <2 x i64> @llvm.x86.sse4a.insertqi(<2 x i64> %v, <2 x i64> %i, i8 16, i8 0)
+  %2 = tail call <2 x i64> @llvm.x86.sse4a.insertqi(<2 x i64> %1, <2 x i64> %i, i8 16, i8 32)
+  ret <2 x i64> %2
+}
+
+; CHECK: define <2 x i64> @testZeroLength(<2 x i64> %v, <2 x i64> %i)
+define <2 x i64> @testZeroLength(<2 x i64> %v, <2 x i64> %i) {
+; CHECK: ret <2 x i64> %i
+  %1 = tail call <2 x i64> @llvm.x86.sse4a.insertqi(<2 x i64> %v, <2 x i64> %i, i8 0, i8 0)
+  ret <2 x i64> %1
+}
+
+; CHECK: define <2 x i64> @testUndefinedInsertq_1(<2 x i64> %v, <2 x i64> %i)
+define <2 x i64> @testUndefinedInsertq_1(<2 x i64> %v, <2 x i64> %i) {
+; CHECK: ret <2 x i64> undef
+  %1 = tail call <2 x i64> @llvm.x86.sse4a.insertqi(<2 x i64> %v, <2 x i64> %i, i8 0, i8 16)
+  ret <2 x i64> %1
+}
+
+; CHECK: define <2 x i64> @testUndefinedInsertq_2(<2 x i64> %v, <2 x i64> %i)
+define <2 x i64> @testUndefinedInsertq_2(<2 x i64> %v, <2 x i64> %i) {
+; CHECK: ret <2 x i64> undef
+  %1 = tail call <2 x i64> @llvm.x86.sse4a.insertqi(<2 x i64> %v, <2 x i64> %i, i8 48, i8 32)
+  ret <2 x i64> %1
+}
+
+; CHECK: define <2 x i64> @testUndefinedInsertq_3(<2 x i64> %v, <2 x i64> %i)
+define <2 x i64> @testUndefinedInsertq_3(<2 x i64> %v, <2 x i64> %i) {
+; CHECK: ret <2 x i64> undef
+  %1 = tail call <2 x i64> @llvm.x86.sse4a.insertqi(<2 x i64> %v, <2 x i64> %i, i8 64, i8 16)
+  ret <2 x i64> %1
+}
+
+; CHECK: declare <2 x i64> @llvm.x86.sse4a.insertqi
+declare <2 x i64> @llvm.x86.sse4a.insertqi(<2 x i64>, <2 x i64>, i8, i8) nounwind