Imported Upstream version 5.18.0.167

Former-commit-id: 289509151e0fee68a1b591a20c9f109c3c789d3a

external/llvm/test/CodeGen/X86/shift-folding.ll

@@ -1,73 +0,0 @@
-; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
-; RUN: llc < %s -mtriple=i686-unknown-unknown -verify-coalescing | FileCheck %s
-
-define i32* @test1(i32* %P, i32 %X) {
-; CHECK-LABEL: test1:
-; CHECK:       # %bb.0:
-; CHECK-NEXT:    movl {{[0-9]+}}(%esp), %eax
-; CHECK-NEXT:    andl $-4, %eax
-; CHECK-NEXT:    addl {{[0-9]+}}(%esp), %eax
-; CHECK-NEXT:    retl
-  %Y = lshr i32 %X, 2
-  %gep.upgrd.1 = zext i32 %Y to i64
-  %P2 = getelementptr i32, i32* %P, i64 %gep.upgrd.1
-  ret i32* %P2
-}
-
-define i32* @test2(i32* %P, i32 %X) {
-; CHECK-LABEL: test2:
-; CHECK:       # %bb.0:
-; CHECK-NEXT:    movl {{[0-9]+}}(%esp), %eax
-; CHECK-NEXT:    shll $4, %eax
-; CHECK-NEXT:    addl {{[0-9]+}}(%esp), %eax
-; CHECK-NEXT:    retl
-  %Y = shl i32 %X, 2
-  %gep.upgrd.2 = zext i32 %Y to i64
-  %P2 = getelementptr i32, i32* %P, i64 %gep.upgrd.2
-  ret i32* %P2
-}
-
-define i32* @test3(i32* %P, i32 %X) {
-; CHECK-LABEL: test3:
-; CHECK:       # %bb.0:
-; CHECK-NEXT:    movl {{[0-9]+}}(%esp), %eax
-; CHECK-NEXT:    andl $-4, %eax
-; CHECK-NEXT:    addl {{[0-9]+}}(%esp), %eax
-; CHECK-NEXT:    retl
-  %Y = ashr i32 %X, 2
-  %P2 = getelementptr i32, i32* %P, i32 %Y
-  ret i32* %P2
-}
-
-define fastcc i32 @test4(i32* %d) {
-; CHECK-LABEL: test4:
-; CHECK:       # %bb.0:
-; CHECK-NEXT:    movzbl 3(%ecx), %eax
-; CHECK-NEXT:    retl
-  %tmp4 = load i32, i32* %d
-  %tmp512 = lshr i32 %tmp4, 24
-  ret i32 %tmp512
-}
-
-; Ensure that we don't fold away shifts which have multiple uses, as they are
-; just re-introduced for the second use.
-
-define i64 @test5(i16 %i, i32* %arr) {
-; CHECK-LABEL: test5:
-; CHECK:       # %bb.0:
-; CHECK-NEXT:    movl {{[0-9]+}}(%esp), %ecx
-; CHECK-NEXT:    movzwl {{[0-9]+}}(%esp), %eax
-; CHECK-NEXT:    shrl $11, %eax
-; CHECK-NEXT:    xorl %edx, %edx
-; CHECK-NEXT:    addl (%ecx,%eax,4), %eax
-; CHECK-NEXT:    setb %dl
-; CHECK-NEXT:    retl
-  %i.zext = zext i16 %i to i32
-  %index = lshr i32 %i.zext, 11
-  %index.zext = zext i32 %index to i64
-  %val.ptr = getelementptr inbounds i32, i32* %arr, i64 %index.zext
-  %val = load i32, i32* %val.ptr
-  %val.zext = zext i32 %val to i64
-  %sum = add i64 %val.zext, %index.zext
-  ret i64 %sum
-}