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157 lines
4.4 KiB
LLVM
157 lines
4.4 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc -mtriple=i686-unknown < %s | FileCheck %s --check-prefix=X32
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; RUN: llc -mtriple=x86_64-unknown < %s | FileCheck %s --check-prefix=X64
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@array = weak global [4 x i32] zeroinitializer
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define i32 @test_lshr_and(i32 %x) {
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; X32-LABEL: test_lshr_and:
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; X32: # BB#0:
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; X32-NEXT: movl {{[0-9]+}}(%esp), %eax
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; X32-NEXT: andl $12, %eax
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; X32-NEXT: movl array(%eax), %eax
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; X32-NEXT: retl
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;
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; X64-LABEL: test_lshr_and:
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; X64: # BB#0:
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; X64-NEXT: # kill: %EDI<def> %EDI<kill> %RDI<def>
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; X64-NEXT: shrl $2, %edi
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; X64-NEXT: andl $3, %edi
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; X64-NEXT: movl array(,%rdi,4), %eax
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; X64-NEXT: retq
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%tmp2 = lshr i32 %x, 2
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%tmp3 = and i32 %tmp2, 3
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%tmp4 = getelementptr [4 x i32], [4 x i32]* @array, i32 0, i32 %tmp3
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%tmp5 = load i32, i32* %tmp4, align 4
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ret i32 %tmp5
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}
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define i32* @test_exact1(i32 %a, i32 %b, i32* %x) {
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; X32-LABEL: test_exact1:
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; X32: # BB#0:
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; X32-NEXT: movl {{[0-9]+}}(%esp), %eax
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; X32-NEXT: subl {{[0-9]+}}(%esp), %eax
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; X32-NEXT: sarl %eax
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; X32-NEXT: addl {{[0-9]+}}(%esp), %eax
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; X32-NEXT: retl
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;
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; X64-LABEL: test_exact1:
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; X64: # BB#0:
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; X64-NEXT: subl %edi, %esi
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; X64-NEXT: sarl $3, %esi
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; X64-NEXT: movslq %esi, %rax
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; X64-NEXT: leaq (%rdx,%rax,4), %rax
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; X64-NEXT: retq
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%sub = sub i32 %b, %a
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%shr = ashr exact i32 %sub, 3
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%gep = getelementptr inbounds i32, i32* %x, i32 %shr
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ret i32* %gep
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}
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define i32* @test_exact2(i32 %a, i32 %b, i32* %x) {
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; X32-LABEL: test_exact2:
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; X32: # BB#0:
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; X32-NEXT: movl {{[0-9]+}}(%esp), %eax
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; X32-NEXT: subl {{[0-9]+}}(%esp), %eax
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; X32-NEXT: sarl %eax
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; X32-NEXT: addl {{[0-9]+}}(%esp), %eax
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; X32-NEXT: retl
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;
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; X64-LABEL: test_exact2:
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; X64: # BB#0:
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; X64-NEXT: subl %edi, %esi
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; X64-NEXT: sarl $3, %esi
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; X64-NEXT: movslq %esi, %rax
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; X64-NEXT: leaq (%rdx,%rax,4), %rax
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; X64-NEXT: retq
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%sub = sub i32 %b, %a
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%shr = ashr exact i32 %sub, 3
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%gep = getelementptr inbounds i32, i32* %x, i32 %shr
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ret i32* %gep
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}
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define i32* @test_exact3(i32 %a, i32 %b, i32* %x) {
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; X32-LABEL: test_exact3:
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; X32: # BB#0:
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; X32-NEXT: movl {{[0-9]+}}(%esp), %eax
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; X32-NEXT: subl {{[0-9]+}}(%esp), %eax
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; X32-NEXT: addl {{[0-9]+}}(%esp), %eax
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; X32-NEXT: retl
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;
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; X64-LABEL: test_exact3:
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; X64: # BB#0:
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; X64-NEXT: subl %edi, %esi
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; X64-NEXT: sarl $2, %esi
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; X64-NEXT: movslq %esi, %rax
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; X64-NEXT: leaq (%rdx,%rax,4), %rax
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; X64-NEXT: retq
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%sub = sub i32 %b, %a
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%shr = ashr exact i32 %sub, 2
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%gep = getelementptr inbounds i32, i32* %x, i32 %shr
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ret i32* %gep
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}
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define i32* @test_exact4(i32 %a, i32 %b, i32* %x) {
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; X32-LABEL: test_exact4:
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; X32: # BB#0:
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; X32-NEXT: movl {{[0-9]+}}(%esp), %eax
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; X32-NEXT: subl {{[0-9]+}}(%esp), %eax
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; X32-NEXT: shrl %eax
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; X32-NEXT: addl {{[0-9]+}}(%esp), %eax
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; X32-NEXT: retl
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;
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; X64-LABEL: test_exact4:
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; X64: # BB#0:
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; X64-NEXT: # kill: %ESI<def> %ESI<kill> %RSI<def>
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; X64-NEXT: subl %edi, %esi
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; X64-NEXT: shrl $3, %esi
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; X64-NEXT: leaq (%rdx,%rsi,4), %rax
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; X64-NEXT: retq
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%sub = sub i32 %b, %a
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%shr = lshr exact i32 %sub, 3
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%gep = getelementptr inbounds i32, i32* %x, i32 %shr
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ret i32* %gep
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}
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define i32* @test_exact5(i32 %a, i32 %b, i32* %x) {
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; X32-LABEL: test_exact5:
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; X32: # BB#0:
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; X32-NEXT: movl {{[0-9]+}}(%esp), %eax
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; X32-NEXT: subl {{[0-9]+}}(%esp), %eax
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; X32-NEXT: shrl %eax
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; X32-NEXT: addl {{[0-9]+}}(%esp), %eax
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; X32-NEXT: retl
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;
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; X64-LABEL: test_exact5:
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; X64: # BB#0:
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; X64-NEXT: # kill: %ESI<def> %ESI<kill> %RSI<def>
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; X64-NEXT: subl %edi, %esi
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; X64-NEXT: shrl $3, %esi
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; X64-NEXT: leaq (%rdx,%rsi,4), %rax
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; X64-NEXT: retq
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%sub = sub i32 %b, %a
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%shr = lshr exact i32 %sub, 3
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%gep = getelementptr inbounds i32, i32* %x, i32 %shr
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ret i32* %gep
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}
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define i32* @test_exact6(i32 %a, i32 %b, i32* %x) {
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; X32-LABEL: test_exact6:
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; X32: # BB#0:
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; X32-NEXT: movl {{[0-9]+}}(%esp), %eax
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; X32-NEXT: subl {{[0-9]+}}(%esp), %eax
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; X32-NEXT: addl {{[0-9]+}}(%esp), %eax
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; X32-NEXT: retl
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;
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; X64-LABEL: test_exact6:
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; X64: # BB#0:
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; X64-NEXT: # kill: %ESI<def> %ESI<kill> %RSI<def>
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; X64-NEXT: subl %edi, %esi
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; X64-NEXT: leaq (%rsi,%rdx), %rax
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; X64-NEXT: retq
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%sub = sub i32 %b, %a
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%shr = lshr exact i32 %sub, 2
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%gep = getelementptr inbounds i32, i32* %x, i32 %shr
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ret i32* %gep
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}
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