From: Sanjay Patel <spatel@rotateright.com>
Date: Sun, 31 Mar 2019 15:45:47 +0000 (+0000)
Subject: [InstCombine] add tests for inverted select-shuffles + binop (PR41304); NFC
X-Git-Tag: llvmorg-10-init~8791
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=7ac1186b583f5bcd0c6db5fa529f239b789dc611;p=platform%2Fupstream%2Fllvm.git

[InstCombine] add tests for inverted select-shuffles + binop (PR41304); NFC

llvm-svn: 357368
---

diff --git a/llvm/test/Transforms/InstCombine/vec-binop-select.ll b/llvm/test/Transforms/InstCombine/vec-binop-select.ll
new file mode 100644
index 0000000..894684b
--- /dev/null
+++ b/llvm/test/Transforms/InstCombine/vec-binop-select.ll
@@ -0,0 +1,244 @@
+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
+; RUN: opt < %s -instcombine -S | FileCheck %s
+
+; Non-canonical mask
+
+define <4 x i32> @and(<4 x i32> %x, <4 x i32> %y) {
+; CHECK-LABEL: @and(
+; CHECK-NEXT:    [[SEL1:%.*]] = shufflevector <4 x i32> [[X:%.*]], <4 x i32> [[Y:%.*]], <4 x i32> <i32 0, i32 5, i32 6, i32 3>
+; CHECK-NEXT:    [[SEL2:%.*]] = shufflevector <4 x i32> [[Y]], <4 x i32> [[X]], <4 x i32> <i32 0, i32 5, i32 6, i32 3>
+; CHECK-NEXT:    [[R:%.*]] = and <4 x i32> [[SEL1]], [[SEL2]]
+; CHECK-NEXT:    ret <4 x i32> [[R]]
+;
+  %sel1 = shufflevector <4 x i32> %x, <4 x i32> %y, <4 x i32> <i32 0, i32 5, i32 6, i32 3>
+  %sel2 = shufflevector <4 x i32> %x, <4 x i32> %y, <4 x i32> <i32 4, i32 1, i32 2, i32 7>
+  %r = and <4 x i32> %sel1, %sel2
+  ret <4 x i32> %r
+}
+
+define <4 x i32> @or(<4 x i32> %x, <4 x i32> %y) {
+; CHECK-LABEL: @or(
+; CHECK-NEXT:    [[SEL1:%.*]] = shufflevector <4 x i32> [[X:%.*]], <4 x i32> [[Y:%.*]], <4 x i32> <i32 0, i32 5, i32 6, i32 3>
+; CHECK-NEXT:    [[SEL2:%.*]] = shufflevector <4 x i32> [[Y]], <4 x i32> [[X]], <4 x i32> <i32 0, i32 5, i32 6, i32 3>
+; CHECK-NEXT:    [[R:%.*]] = or <4 x i32> [[SEL1]], [[SEL2]]
+; CHECK-NEXT:    ret <4 x i32> [[R]]
+;
+  %sel1 = shufflevector <4 x i32> %x, <4 x i32> %y, <4 x i32> <i32 0, i32 5, i32 6, i32 3>
+  %sel2 = shufflevector <4 x i32> %y, <4 x i32> %x, <4 x i32> <i32 0, i32 5, i32 6, i32 3>
+  %r = or <4 x i32> %sel1, %sel2
+  ret <4 x i32> %r
+}
+
+; Non-canonical masks
+
+define <4 x i32> @xor(<4 x i32> %x, <4 x i32> %y) {
+; CHECK-LABEL: @xor(
+; CHECK-NEXT:    [[SEL1:%.*]] = shufflevector <4 x i32> [[Y:%.*]], <4 x i32> [[X:%.*]], <4 x i32> <i32 0, i32 5, i32 2, i32 7>
+; CHECK-NEXT:    [[SEL2:%.*]] = shufflevector <4 x i32> [[X]], <4 x i32> [[Y]], <4 x i32> <i32 0, i32 5, i32 2, i32 7>
+; CHECK-NEXT:    [[R:%.*]] = xor <4 x i32> [[SEL1]], [[SEL2]]
+; CHECK-NEXT:    ret <4 x i32> [[R]]
+;
+  %sel1 = shufflevector <4 x i32> %x, <4 x i32> %y, <4 x i32> <i32 4, i32 1, i32 6, i32 3>
+  %sel2 = shufflevector <4 x i32> %y, <4 x i32> %x, <4 x i32> <i32 4, i32 1, i32 6, i32 3>
+  %r = xor <4 x i32> %sel1, %sel2
+  ret <4 x i32> %r
+}
+
+; Flags
+
+define <4 x i32> @add(<4 x i32> %x, <4 x i32> %y) {
+; CHECK-LABEL: @add(
+; CHECK-NEXT:    [[SEL1:%.*]] = shufflevector <4 x i32> [[X:%.*]], <4 x i32> [[Y:%.*]], <4 x i32> <i32 0, i32 5, i32 2, i32 7>
+; CHECK-NEXT:    [[SEL2:%.*]] = shufflevector <4 x i32> [[Y]], <4 x i32> [[X]], <4 x i32> <i32 0, i32 5, i32 2, i32 7>
+; CHECK-NEXT:    [[R:%.*]] = add nsw <4 x i32> [[SEL1]], [[SEL2]]
+; CHECK-NEXT:    ret <4 x i32> [[R]]
+;
+  %sel1 = shufflevector <4 x i32> %x, <4 x i32> %y, <4 x i32> <i32 0, i32 5, i32 2, i32 7>
+  %sel2 = shufflevector <4 x i32> %y, <4 x i32> %x, <4 x i32> <i32 0, i32 5, i32 2, i32 7>
+  %r = add nsw <4 x i32> %sel1, %sel2
+  ret <4 x i32> %r
+}
+
+; Non-commutative opcode
+
+define <4 x i32> @sub(<4 x i32> %x, <4 x i32> %y) {
+; CHECK-LABEL: @sub(
+; CHECK-NEXT:    [[SEL1:%.*]] = shufflevector <4 x i32> [[X:%.*]], <4 x i32> [[Y:%.*]], <4 x i32> <i32 0, i32 1, i32 6, i32 3>
+; CHECK-NEXT:    [[SEL2:%.*]] = shufflevector <4 x i32> [[Y]], <4 x i32> [[X]], <4 x i32> <i32 0, i32 1, i32 6, i32 3>
+; CHECK-NEXT:    [[R:%.*]] = sub <4 x i32> [[SEL1]], [[SEL2]]
+; CHECK-NEXT:    ret <4 x i32> [[R]]
+;
+  %sel1 = shufflevector <4 x i32> %x, <4 x i32> %y, <4 x i32> <i32 0, i32 1, i32 6, i32 3>
+  %sel2 = shufflevector <4 x i32> %y, <4 x i32> %x, <4 x i32> <i32 0, i32 1, i32 6, i32 3>
+  %r = sub <4 x i32> %sel1, %sel2
+  ret <4 x i32> %r
+}
+
+define <4 x i32> @mul(<4 x i32> %x, <4 x i32> %y) {
+; CHECK-LABEL: @mul(
+; CHECK-NEXT:    [[SEL1:%.*]] = shufflevector <4 x i32> [[X:%.*]], <4 x i32> [[Y:%.*]], <4 x i32> <i32 0, i32 1, i32 6, i32 3>
+; CHECK-NEXT:    [[SEL2:%.*]] = shufflevector <4 x i32> [[Y]], <4 x i32> [[X]], <4 x i32> <i32 0, i32 1, i32 6, i32 3>
+; CHECK-NEXT:    [[R:%.*]] = mul nuw <4 x i32> [[SEL1]], [[SEL2]]
+; CHECK-NEXT:    ret <4 x i32> [[R]]
+;
+  %sel1 = shufflevector <4 x i32> %x, <4 x i32> %y, <4 x i32> <i32 0, i32 1, i32 6, i32 3>
+  %sel2 = shufflevector <4 x i32> %y, <4 x i32> %x, <4 x i32> <i32 0, i32 1, i32 6, i32 3>
+  %r = mul nuw <4 x i32> %sel1, %sel2
+  ret <4 x i32> %r
+}
+
+define <4 x i32> @sdiv(<4 x i32> %x, <4 x i32> %y) {
+; CHECK-LABEL: @sdiv(
+; CHECK-NEXT:    [[SEL1:%.*]] = shufflevector <4 x i32> [[X:%.*]], <4 x i32> [[Y:%.*]], <4 x i32> <i32 0, i32 1, i32 6, i32 7>
+; CHECK-NEXT:    [[SEL2:%.*]] = shufflevector <4 x i32> [[Y]], <4 x i32> [[X]], <4 x i32> <i32 0, i32 1, i32 6, i32 7>
+; CHECK-NEXT:    [[R:%.*]] = sdiv <4 x i32> [[SEL1]], [[SEL2]]
+; CHECK-NEXT:    ret <4 x i32> [[R]]
+;
+  %sel1 = shufflevector <4 x i32> %x, <4 x i32> %y, <4 x i32> <i32 0, i32 1, i32 6, i32 7>
+  %sel2 = shufflevector <4 x i32> %y, <4 x i32> %x, <4 x i32> <i32 0, i32 1, i32 6, i32 7>
+  %r = sdiv <4 x i32> %sel1, %sel2
+  ret <4 x i32> %r
+}
+
+define <4 x i32> @udiv(<4 x i32> %x, <4 x i32> %y) {
+; CHECK-LABEL: @udiv(
+; CHECK-NEXT:    [[SEL1:%.*]] = shufflevector <4 x i32> [[X:%.*]], <4 x i32> [[Y:%.*]], <4 x i32> <i32 0, i32 1, i32 6, i32 3>
+; CHECK-NEXT:    [[SEL2:%.*]] = shufflevector <4 x i32> [[Y]], <4 x i32> [[X]], <4 x i32> <i32 0, i32 1, i32 6, i32 3>
+; CHECK-NEXT:    [[R:%.*]] = udiv <4 x i32> [[SEL1]], [[SEL2]]
+; CHECK-NEXT:    ret <4 x i32> [[R]]
+;
+  %sel1 = shufflevector <4 x i32> %x, <4 x i32> %y, <4 x i32> <i32 0, i32 1, i32 6, i32 3>
+  %sel2 = shufflevector <4 x i32> %y, <4 x i32> %x, <4 x i32> <i32 0, i32 1, i32 6, i32 3>
+  %r = udiv <4 x i32> %sel1, %sel2
+  ret <4 x i32> %r
+}
+
+define <4 x i32> @srem(<4 x i32> %x, <4 x i32> %y) {
+; CHECK-LABEL: @srem(
+; CHECK-NEXT:    [[SEL1:%.*]] = shufflevector <4 x i32> [[X:%.*]], <4 x i32> [[Y:%.*]], <4 x i32> <i32 0, i32 1, i32 6, i32 7>
+; CHECK-NEXT:    [[SEL2:%.*]] = shufflevector <4 x i32> [[Y]], <4 x i32> [[X]], <4 x i32> <i32 0, i32 1, i32 6, i32 7>
+; CHECK-NEXT:    [[R:%.*]] = srem <4 x i32> [[SEL1]], [[SEL2]]
+; CHECK-NEXT:    ret <4 x i32> [[R]]
+;
+  %sel1 = shufflevector <4 x i32> %x, <4 x i32> %y, <4 x i32> <i32 0, i32 1, i32 6, i32 7>
+  %sel2 = shufflevector <4 x i32> %y, <4 x i32> %x, <4 x i32> <i32 0, i32 1, i32 6, i32 7>
+  %r = srem <4 x i32> %sel1, %sel2
+  ret <4 x i32> %r
+}
+
+define <4 x i32> @urem(<4 x i32> %x, <4 x i32> %y) {
+; CHECK-LABEL: @urem(
+; CHECK-NEXT:    [[SEL1:%.*]] = shufflevector <4 x i32> [[X:%.*]], <4 x i32> [[Y:%.*]], <4 x i32> <i32 0, i32 1, i32 6, i32 3>
+; CHECK-NEXT:    [[SEL2:%.*]] = shufflevector <4 x i32> [[Y]], <4 x i32> [[X]], <4 x i32> <i32 0, i32 1, i32 6, i32 3>
+; CHECK-NEXT:    [[R:%.*]] = urem <4 x i32> [[SEL1]], [[SEL2]]
+; CHECK-NEXT:    ret <4 x i32> [[R]]
+;
+  %sel1 = shufflevector <4 x i32> %x, <4 x i32> %y, <4 x i32> <i32 0, i32 1, i32 6, i32 3>
+  %sel2 = shufflevector <4 x i32> %y, <4 x i32> %x, <4 x i32> <i32 0, i32 1, i32 6, i32 3>
+  %r = urem <4 x i32> %sel1, %sel2
+  ret <4 x i32> %r
+}
+
+define <4 x i32> @shl(<4 x i32> %x, <4 x i32> %y) {
+; CHECK-LABEL: @shl(
+; CHECK-NEXT:    [[SEL1:%.*]] = shufflevector <4 x i32> [[X:%.*]], <4 x i32> [[Y:%.*]], <4 x i32> <i32 0, i32 1, i32 6, i32 7>
+; CHECK-NEXT:    [[SEL2:%.*]] = shufflevector <4 x i32> [[Y]], <4 x i32> [[X]], <4 x i32> <i32 0, i32 1, i32 6, i32 7>
+; CHECK-NEXT:    [[R:%.*]] = shl nsw <4 x i32> [[SEL1]], [[SEL2]]
+; CHECK-NEXT:    ret <4 x i32> [[R]]
+;
+  %sel1 = shufflevector <4 x i32> %x, <4 x i32> %y, <4 x i32> <i32 0, i32 1, i32 6, i32 7>
+  %sel2 = shufflevector <4 x i32> %y, <4 x i32> %x, <4 x i32> <i32 0, i32 1, i32 6, i32 7>
+  %r = shl nsw <4 x i32> %sel1, %sel2
+  ret <4 x i32> %r
+}
+
+define <4 x i32> @lshr(<4 x i32> %x, <4 x i32> %y) {
+; CHECK-LABEL: @lshr(
+; CHECK-NEXT:    [[SEL1:%.*]] = shufflevector <4 x i32> [[X:%.*]], <4 x i32> [[Y:%.*]], <4 x i32> <i32 0, i32 5, i32 6, i32 3>
+; CHECK-NEXT:    [[SEL2:%.*]] = shufflevector <4 x i32> [[Y]], <4 x i32> [[X]], <4 x i32> <i32 0, i32 5, i32 6, i32 3>
+; CHECK-NEXT:    [[R:%.*]] = lshr exact <4 x i32> [[SEL1]], [[SEL2]]
+; CHECK-NEXT:    ret <4 x i32> [[R]]
+;
+  %sel1 = shufflevector <4 x i32> %x, <4 x i32> %y, <4 x i32> <i32 0, i32 5, i32 6, i32 3>
+  %sel2 = shufflevector <4 x i32> %y, <4 x i32> %x, <4 x i32> <i32 0, i32 5, i32 6, i32 3>
+  %r = lshr exact <4 x i32> %sel1, %sel2
+  ret <4 x i32> %r
+}
+
+define <4 x i32> @ashr(<4 x i32> %x, <4 x i32> %y) {
+; CHECK-LABEL: @ashr(
+; CHECK-NEXT:    [[SEL1:%.*]] = shufflevector <4 x i32> [[Y:%.*]], <4 x i32> [[X:%.*]], <4 x i32> <i32 0, i32 5, i32 2, i32 7>
+; CHECK-NEXT:    [[SEL2:%.*]] = shufflevector <4 x i32> [[X]], <4 x i32> [[Y]], <4 x i32> <i32 0, i32 5, i32 2, i32 7>
+; CHECK-NEXT:    [[R:%.*]] = ashr <4 x i32> [[SEL1]], [[SEL2]]
+; CHECK-NEXT:    ret <4 x i32> [[R]]
+;
+  %sel1 = shufflevector <4 x i32> %x, <4 x i32> %y, <4 x i32> <i32 4, i32 1, i32 6, i32 3>
+  %sel2 = shufflevector <4 x i32> %y, <4 x i32> %x, <4 x i32> <i32 4, i32 1, i32 6, i32 3>
+  %r = ashr <4 x i32> %sel1, %sel2
+  ret <4 x i32> %r
+}
+
+define <4 x float> @fadd(<4 x float> %x, <4 x float> %y) {
+; CHECK-LABEL: @fadd(
+; CHECK-NEXT:    [[SEL1:%.*]] = shufflevector <4 x float> [[Y:%.*]], <4 x float> [[X:%.*]], <4 x i32> <i32 0, i32 5, i32 2, i32 7>
+; CHECK-NEXT:    [[SEL2:%.*]] = shufflevector <4 x float> [[X]], <4 x float> [[Y]], <4 x i32> <i32 0, i32 5, i32 2, i32 7>
+; CHECK-NEXT:    [[R:%.*]] = fadd <4 x float> [[SEL1]], [[SEL2]]
+; CHECK-NEXT:    ret <4 x float> [[R]]
+;
+  %sel1 = shufflevector <4 x float> %x, <4 x float> %y, <4 x i32> <i32 4, i32 1, i32 6, i32 3>
+  %sel2 = shufflevector <4 x float> %y, <4 x float> %x, <4 x i32> <i32 4, i32 1, i32 6, i32 3>
+  %r = fadd <4 x float> %sel1, %sel2
+  ret <4 x float> %r
+}
+
+define <4 x float> @fsub(<4 x float> %x, <4 x float> %y) {
+; CHECK-LABEL: @fsub(
+; CHECK-NEXT:    [[SEL1:%.*]] = shufflevector <4 x float> [[Y:%.*]], <4 x float> [[X:%.*]], <4 x i32> <i32 0, i32 5, i32 2, i32 7>
+; CHECK-NEXT:    [[SEL2:%.*]] = shufflevector <4 x float> [[X]], <4 x float> [[Y]], <4 x i32> <i32 0, i32 5, i32 2, i32 7>
+; CHECK-NEXT:    [[R:%.*]] = fsub fast <4 x float> [[SEL1]], [[SEL2]]
+; CHECK-NEXT:    ret <4 x float> [[R]]
+;
+  %sel1 = shufflevector <4 x float> %x, <4 x float> %y, <4 x i32> <i32 4, i32 1, i32 6, i32 3>
+  %sel2 = shufflevector <4 x float> %y, <4 x float> %x, <4 x i32> <i32 4, i32 1, i32 6, i32 3>
+  %r = fsub fast <4 x float> %sel1, %sel2
+  ret <4 x float> %r
+}
+
+define <4 x double> @fmul(<4 x double> %x, <4 x double> %y) {
+; CHECK-LABEL: @fmul(
+; CHECK-NEXT:    [[SEL1:%.*]] = shufflevector <4 x double> [[Y:%.*]], <4 x double> [[X:%.*]], <4 x i32> <i32 0, i32 5, i32 2, i32 7>
+; CHECK-NEXT:    [[SEL2:%.*]] = shufflevector <4 x double> [[X]], <4 x double> [[Y]], <4 x i32> <i32 0, i32 5, i32 2, i32 7>
+; CHECK-NEXT:    [[R:%.*]] = fmul nnan <4 x double> [[SEL1]], [[SEL2]]
+; CHECK-NEXT:    ret <4 x double> [[R]]
+;
+  %sel1 = shufflevector <4 x double> %x, <4 x double> %y, <4 x i32> <i32 4, i32 1, i32 6, i32 3>
+  %sel2 = shufflevector <4 x double> %y, <4 x double> %x, <4 x i32> <i32 4, i32 1, i32 6, i32 3>
+  %r = fmul nnan <4 x double> %sel1, %sel2
+  ret <4 x double> %r
+}
+
+define <4 x double> @fdiv(<4 x double> %x, <4 x double> %y) {
+; CHECK-LABEL: @fdiv(
+; CHECK-NEXT:    [[SEL1:%.*]] = shufflevector <4 x double> [[Y:%.*]], <4 x double> [[X:%.*]], <4 x i32> <i32 0, i32 5, i32 2, i32 7>
+; CHECK-NEXT:    [[SEL2:%.*]] = shufflevector <4 x double> [[X]], <4 x double> [[Y]], <4 x i32> <i32 0, i32 5, i32 2, i32 7>
+; CHECK-NEXT:    [[R:%.*]] = fdiv nnan arcp <4 x double> [[SEL1]], [[SEL2]]
+; CHECK-NEXT:    ret <4 x double> [[R]]
+;
+  %sel1 = shufflevector <4 x double> %x, <4 x double> %y, <4 x i32> <i32 4, i32 1, i32 6, i32 3>
+  %sel2 = shufflevector <4 x double> %y, <4 x double> %x, <4 x i32> <i32 4, i32 1, i32 6, i32 3>
+  %r = fdiv arcp nnan <4 x double> %sel1, %sel2
+  ret <4 x double> %r
+}
+
+define <4 x double> @frem(<4 x double> %x, <4 x double> %y) {
+; CHECK-LABEL: @frem(
+; CHECK-NEXT:    [[SEL1:%.*]] = shufflevector <4 x double> [[Y:%.*]], <4 x double> [[X:%.*]], <4 x i32> <i32 0, i32 5, i32 2, i32 7>
+; CHECK-NEXT:    [[SEL2:%.*]] = shufflevector <4 x double> [[X]], <4 x double> [[Y]], <4 x i32> <i32 0, i32 5, i32 2, i32 7>
+; CHECK-NEXT:    [[R:%.*]] = frem <4 x double> [[SEL1]], [[SEL2]]
+; CHECK-NEXT:    ret <4 x double> [[R]]
+;
+  %sel1 = shufflevector <4 x double> %x, <4 x double> %y, <4 x i32> <i32 4, i32 1, i32 6, i32 3>
+  %sel2 = shufflevector <4 x double> %y, <4 x double> %x, <4 x i32> <i32 4, i32 1, i32 6, i32 3>
+  %r = frem <4 x double> %sel1, %sel2
+  ret <4 x double> %r
+}