From 8b7b5f9cfe9a47c2c3ad69b670c9fed21b29b153 Mon Sep 17 00:00:00 2001
From: Nikita Popov <npopov@redhat.com>
Date: Wed, 14 Dec 2022 15:35:42 +0100
Subject: [PATCH] [IndVarSimplify] Regenerate test checks (NFC)

---
 .../X86/replace-iv-with-loop-invariant.ll          | 75 ++++++++++++++++------
 1 file changed, 56 insertions(+), 19 deletions(-)

diff --git a/llvm/test/Transforms/IndVarSimplify/X86/replace-iv-with-loop-invariant.ll b/llvm/test/Transforms/IndVarSimplify/X86/replace-iv-with-loop-invariant.ll
index 7656d10..da83593 100644
--- a/llvm/test/Transforms/IndVarSimplify/X86/replace-iv-with-loop-invariant.ll
+++ b/llvm/test/Transforms/IndVarSimplify/X86/replace-iv-with-loop-invariant.ll
@@ -1,3 +1,4 @@
+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
 ; RUN: opt < %s -passes=indvars -S | FileCheck %s
 
 target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
@@ -6,6 +7,16 @@ target triple = "x86_64-unknown-linux-gnu"
 @G = external global i32
 
 define void @test0(i64* %arg) {
+; CHECK-LABEL: @test0(
+; CHECK-NEXT:  bb:
+; CHECK-NEXT:    br label [[BB2:%.*]]
+; CHECK:       bb2:
+; CHECK-NEXT:    [[TMP:%.*]] = phi i64* [ [[ARG:%.*]], [[BB:%.*]] ], [ [[TMP7:%.*]], [[BB2]] ]
+; CHECK-NEXT:    [[TMP4:%.*]] = call i32* @wobble(i64* nonnull [[TMP]], i32* null)
+; CHECK-NEXT:    [[TMP5:%.*]] = load i32, i32* null, align 8
+; CHECK-NEXT:    [[TMP7]] = load i64*, i64** undef, align 8
+; CHECK-NEXT:    br label [[BB2]]
+;
 bb:
   br label %bb2
 
@@ -17,10 +28,17 @@ bb2:
   br label %bb2
 }
 
-; CHECK-LABEL: void @test0
-; CHECK:         load i32, i32* null
-
 define void @test1(i64* %arg) {
+; CHECK-LABEL: @test1(
+; CHECK-NEXT:  bb:
+; CHECK-NEXT:    br label [[BB2:%.*]]
+; CHECK:       bb2:
+; CHECK-NEXT:    [[TMP:%.*]] = phi i64* [ [[ARG:%.*]], [[BB:%.*]] ], [ [[TMP7:%.*]], [[BB2]] ]
+; CHECK-NEXT:    [[TMP4:%.*]] = call i32* @wobble(i64* nonnull [[TMP]], i32* inttoptr (i64 4 to i32*))
+; CHECK-NEXT:    [[TMP5:%.*]] = load i32, i32* inttoptr (i64 4 to i32*), align 4
+; CHECK-NEXT:    [[TMP7]] = load i64*, i64** undef, align 8
+; CHECK-NEXT:    br label [[BB2]]
+;
 bb:
   br label %bb2
 
@@ -32,10 +50,17 @@ bb2:
   br label %bb2
 }
 
-; CHECK-LABEL: void @test1
-; CHECK:         load i32, i32* inttoptr (i64 4 to i32*)
-
 define void @test2(i64* %arg) {
+; CHECK-LABEL: @test2(
+; CHECK-NEXT:  bb:
+; CHECK-NEXT:    br label [[BB2:%.*]]
+; CHECK:       bb2:
+; CHECK-NEXT:    [[TMP:%.*]] = phi i64* [ [[ARG:%.*]], [[BB:%.*]] ], [ [[TMP7:%.*]], [[BB2]] ]
+; CHECK-NEXT:    [[TMP4:%.*]] = call i32* @wobble(i64* nonnull [[TMP]], i32* @G)
+; CHECK-NEXT:    [[TMP5:%.*]] = load i32, i32* @G, align 4
+; CHECK-NEXT:    [[TMP7]] = load i64*, i64** undef, align 8
+; CHECK-NEXT:    br label [[BB2]]
+;
 bb:
   br label %bb2
 
@@ -47,11 +72,17 @@ bb2:
   br label %bb2
 }
 
-; CHECK-LABEL: void @test2
-; CHECK:         load i32, i32* @G
-
-
 define void @test3(i64* %arg, i32* %loop.invariant) {
+; CHECK-LABEL: @test3(
+; CHECK-NEXT:  bb:
+; CHECK-NEXT:    br label [[BB2:%.*]]
+; CHECK:       bb2:
+; CHECK-NEXT:    [[TMP:%.*]] = phi i64* [ [[ARG:%.*]], [[BB:%.*]] ], [ [[TMP7:%.*]], [[BB2]] ]
+; CHECK-NEXT:    [[TMP4:%.*]] = call i32* @wobble(i64* nonnull [[TMP]], i32* [[LOOP_INVARIANT:%.*]])
+; CHECK-NEXT:    [[TMP5:%.*]] = load i32, i32* [[LOOP_INVARIANT]], align 4
+; CHECK-NEXT:    [[TMP7]] = load i64*, i64** undef, align 8
+; CHECK-NEXT:    br label [[BB2]]
+;
 bb:
   br label %bb2
 
@@ -63,26 +94,32 @@ bb2:
   br label %bb2
 }
 
-; CHECK-LABEL: void @test3
-; CHECK:         load i32, i32* %loop.invariant
-
 define void @test4(i64* %arg, i32* %loop.invariant, i64 %N) {
+; CHECK-LABEL: @test4(
+; CHECK-NEXT:  bb:
+; CHECK-NEXT:    [[TMP0:%.*]] = shl i64 [[N:%.*]], 6
+; CHECK-NEXT:    [[SCEVGEP:%.*]] = getelementptr i32, i32* [[LOOP_INVARIANT:%.*]], i64 [[TMP0]]
+; CHECK-NEXT:    br label [[BB2:%.*]]
+; CHECK:       bb2:
+; CHECK-NEXT:    [[TMP:%.*]] = phi i64* [ [[ARG:%.*]], [[BB:%.*]] ], [ [[TMP7:%.*]], [[BB2]] ]
+; CHECK-NEXT:    [[MUL:%.*]] = mul nsw i64 [[N]], 64
+; CHECK-NEXT:    [[PTR:%.*]] = getelementptr inbounds i32, i32* [[LOOP_INVARIANT]], i64 [[MUL]]
+; CHECK-NEXT:    [[TMP4:%.*]] = call i32* @wobble(i64* nonnull [[TMP]], i32* [[PTR]])
+; CHECK-NEXT:    [[TMP5:%.*]] = load i32, i32* [[SCEVGEP]], align 4
+; CHECK-NEXT:    [[TMP7]] = load i64*, i64** undef, align 8
+; CHECK-NEXT:    br label [[BB2]]
+;
 bb:
   br label %bb2
 
 bb2:
   %tmp = phi i64* [%arg, %bb ], [ %tmp7, %bb2 ]
   %mul = mul nsw i64 %N, 64
-  %ptr = getelementptr inbounds i32, i32* %loop.invariant, i64 %mul 
+  %ptr = getelementptr inbounds i32, i32* %loop.invariant, i64 %mul
   %tmp4 = call i32* @wobble(i64* nonnull %tmp, i32* %ptr)
   %tmp5 = load i32, i32* %tmp4
   %tmp7 = load i64*, i64** undef, align 8
   br label %bb2
 }
 
-; CHECK-LABEL: void @test4
-; CHECK:         [[P:%[a-zA-Z$._0-9]+]] = getelementptr i32, i32* %loop.invariant
-; CHECK:         phi
-; CHECK:         load i32, i32* [[P]]
-
 declare i32* @wobble(i64*, i32* returned)
-- 
2.7.4