421 lines
12 KiB
LLVM
421 lines
12 KiB
LLVM
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; 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 dso_local global [4 x i32] zeroinitializer
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define dso_local 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: def $edi killed $edi def $rdi
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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 dso_local 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 dso_local 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 dso_local 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 dso_local 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: def $esi killed $esi def $rsi
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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 dso_local 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: def $esi killed $esi def $rsi
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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 dso_local 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: def $esi killed $esi def $rsi
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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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; PR42644 - https://bugs.llvm.org/show_bug.cgi?id=42644
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define i64 @ashr_add_shl_i32(i64 %r) nounwind {
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; X32-LABEL: ashr_add_shl_i32:
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; X32: # %bb.0:
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; X32-NEXT: movl {{[0-9]+}}(%esp), %eax
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; X32-NEXT: incl %eax
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; X32-NEXT: movl %eax, %edx
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; X32-NEXT: sarl $31, %edx
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; X32-NEXT: retl
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;
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; X64-LABEL: ashr_add_shl_i32:
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; X64: # %bb.0:
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; X64-NEXT: incl %edi
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; X64-NEXT: movslq %edi, %rax
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; X64-NEXT: retq
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%conv = shl i64 %r, 32
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%sext = add i64 %conv, 4294967296
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%conv1 = ashr i64 %sext, 32
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ret i64 %conv1
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}
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define i64 @ashr_add_shl_i8(i64 %r) nounwind {
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; X32-LABEL: ashr_add_shl_i8:
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; X32: # %bb.0:
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; X32-NEXT: movb {{[0-9]+}}(%esp), %al
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; X32-NEXT: addb $2, %al
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; X32-NEXT: movsbl %al, %eax
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; X32-NEXT: movl %eax, %edx
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; X32-NEXT: sarl $31, %edx
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; X32-NEXT: retl
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;
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; X64-LABEL: ashr_add_shl_i8:
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; X64: # %bb.0:
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; X64-NEXT: addb $2, %dil
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; X64-NEXT: movsbq %dil, %rax
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; X64-NEXT: retq
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%conv = shl i64 %r, 56
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%sext = add i64 %conv, 144115188075855872
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%conv1 = ashr i64 %sext, 56
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ret i64 %conv1
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}
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define <4 x i32> @ashr_add_shl_v4i8(<4 x i32> %r) nounwind {
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; X32-LABEL: ashr_add_shl_v4i8:
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; X32: # %bb.0:
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; X32-NEXT: pushl %edi
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; X32-NEXT: pushl %esi
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; X32-NEXT: movl {{[0-9]+}}(%esp), %eax
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; X32-NEXT: movb {{[0-9]+}}(%esp), %cl
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; X32-NEXT: movb {{[0-9]+}}(%esp), %dl
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; X32-NEXT: movb {{[0-9]+}}(%esp), %ch
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; X32-NEXT: movb {{[0-9]+}}(%esp), %dh
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; X32-NEXT: incb %dh
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; X32-NEXT: movsbl %dh, %esi
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; X32-NEXT: incb %ch
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; X32-NEXT: movsbl %ch, %edi
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; X32-NEXT: incb %dl
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; X32-NEXT: movsbl %dl, %edx
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; X32-NEXT: incb %cl
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; X32-NEXT: movsbl %cl, %ecx
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; X32-NEXT: movl %ecx, 12(%eax)
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; X32-NEXT: movl %edx, 8(%eax)
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; X32-NEXT: movl %edi, 4(%eax)
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; X32-NEXT: movl %esi, (%eax)
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; X32-NEXT: popl %esi
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; X32-NEXT: popl %edi
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; X32-NEXT: retl $4
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;
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; X64-LABEL: ashr_add_shl_v4i8:
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; X64: # %bb.0:
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; X64-NEXT: pslld $24, %xmm0
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; X64-NEXT: paddd {{.*}}(%rip), %xmm0
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; X64-NEXT: psrad $24, %xmm0
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; X64-NEXT: retq
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%conv = shl <4 x i32> %r, <i32 24, i32 24, i32 24, i32 24>
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%sext = add <4 x i32> %conv, <i32 16777216, i32 16777216, i32 16777216, i32 16777216>
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%conv1 = ashr <4 x i32> %sext, <i32 24, i32 24, i32 24, i32 24>
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ret <4 x i32> %conv1
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}
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define i64 @ashr_add_shl_i36(i64 %r) nounwind {
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; X32-LABEL: ashr_add_shl_i36:
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; X32: # %bb.0:
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; X32-NEXT: movl {{[0-9]+}}(%esp), %edx
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; X32-NEXT: shll $4, %edx
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; X32-NEXT: movl %edx, %eax
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; X32-NEXT: sarl $4, %eax
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; X32-NEXT: sarl $31, %edx
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; X32-NEXT: retl
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;
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; X64-LABEL: ashr_add_shl_i36:
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; X64: # %bb.0:
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; X64-NEXT: movq %rdi, %rax
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; X64-NEXT: shlq $36, %rax
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; X64-NEXT: sarq $36, %rax
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; X64-NEXT: retq
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%conv = shl i64 %r, 36
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%sext = add i64 %conv, 4294967296
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%conv1 = ashr i64 %sext, 36
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ret i64 %conv1
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}
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define i64 @ashr_add_shl_mismatch_shifts1(i64 %r) nounwind {
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; X32-LABEL: ashr_add_shl_mismatch_shifts1:
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; X32: # %bb.0:
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; X32-NEXT: movl {{[0-9]+}}(%esp), %eax
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; X32-NEXT: incl %eax
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; X32-NEXT: movl %eax, %edx
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; X32-NEXT: sarl $31, %edx
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; X32-NEXT: retl
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;
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; X64-LABEL: ashr_add_shl_mismatch_shifts1:
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; X64: # %bb.0:
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; X64-NEXT: shlq $8, %rdi
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; X64-NEXT: movabsq $4294967296, %rax # imm = 0x100000000
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; X64-NEXT: addq %rdi, %rax
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; X64-NEXT: sarq $32, %rax
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; X64-NEXT: retq
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%conv = shl i64 %r, 8
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%sext = add i64 %conv, 4294967296
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%conv1 = ashr i64 %sext, 32
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ret i64 %conv1
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}
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define i64 @ashr_add_shl_mismatch_shifts2(i64 %r) nounwind {
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; X32-LABEL: ashr_add_shl_mismatch_shifts2:
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; X32: # %bb.0:
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; X32-NEXT: movl {{[0-9]+}}(%esp), %eax
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; X32-NEXT: movl {{[0-9]+}}(%esp), %edx
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; X32-NEXT: shrl $8, %edx
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; X32-NEXT: incl %edx
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; X32-NEXT: shrdl $8, %edx, %eax
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; X32-NEXT: shrl $8, %edx
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; X32-NEXT: retl
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;
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; X64-LABEL: ashr_add_shl_mismatch_shifts2:
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; X64: # %bb.0:
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; X64-NEXT: shrq $8, %rdi
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; X64-NEXT: movabsq $4294967296, %rax # imm = 0x100000000
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; X64-NEXT: addq %rdi, %rax
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; X64-NEXT: shrq $8, %rax
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; X64-NEXT: retq
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%conv = lshr i64 %r, 8
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%sext = add i64 %conv, 4294967296
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%conv1 = ashr i64 %sext, 8
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ret i64 %conv1
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}
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define dso_local i32 @ashr_add_shl_i32_i8_extra_use1(i32 %r, i32* %p) nounwind {
|
||
|
|
; X32-LABEL: ashr_add_shl_i32_i8_extra_use1:
|
||
|
|
; X32: # %bb.0:
|
||
|
|
; X32-NEXT: movl {{[0-9]+}}(%esp), %ecx
|
||
|
|
; X32-NEXT: movl {{[0-9]+}}(%esp), %eax
|
||
|
|
; X32-NEXT: shll $24, %eax
|
||
|
|
; X32-NEXT: addl $33554432, %eax # imm = 0x2000000
|
||
|
|
; X32-NEXT: movl %eax, (%ecx)
|
||
|
|
; X32-NEXT: sarl $24, %eax
|
||
|
|
; X32-NEXT: retl
|
||
|
|
;
|
||
|
|
; X64-LABEL: ashr_add_shl_i32_i8_extra_use1:
|
||
|
|
; X64: # %bb.0:
|
||
|
|
; X64-NEXT: movl %edi, %eax
|
||
|
|
; X64-NEXT: shll $24, %eax
|
||
|
|
; X64-NEXT: addl $33554432, %eax # imm = 0x2000000
|
||
|
|
; X64-NEXT: movl %eax, (%rsi)
|
||
|
|
; X64-NEXT: sarl $24, %eax
|
||
|
|
; X64-NEXT: retq
|
||
|
|
%conv = shl i32 %r, 24
|
||
|
|
%sext = add i32 %conv, 33554432
|
||
|
|
store i32 %sext, i32* %p
|
||
|
|
%conv1 = ashr i32 %sext, 24
|
||
|
|
ret i32 %conv1
|
||
|
|
}
|
||
|
|
|
||
|
|
define dso_local i32 @ashr_add_shl_i32_i8_extra_use2(i32 %r, i32* %p) nounwind {
|
||
|
|
; X32-LABEL: ashr_add_shl_i32_i8_extra_use2:
|
||
|
|
; X32: # %bb.0:
|
||
|
|
; X32-NEXT: movl {{[0-9]+}}(%esp), %ecx
|
||
|
|
; X32-NEXT: movl {{[0-9]+}}(%esp), %eax
|
||
|
|
; X32-NEXT: shll $24, %eax
|
||
|
|
; X32-NEXT: movl %eax, (%ecx)
|
||
|
|
; X32-NEXT: addl $33554432, %eax # imm = 0x2000000
|
||
|
|
; X32-NEXT: sarl $24, %eax
|
||
|
|
; X32-NEXT: retl
|
||
|
|
;
|
||
|
|
; X64-LABEL: ashr_add_shl_i32_i8_extra_use2:
|
||
|
|
; X64: # %bb.0:
|
||
|
|
; X64-NEXT: # kill: def $edi killed $edi def $rdi
|
||
|
|
; X64-NEXT: shll $24, %edi
|
||
|
|
; X64-NEXT: movl %edi, (%rsi)
|
||
|
|
; X64-NEXT: leal 33554432(%rdi), %eax
|
||
|
|
; X64-NEXT: sarl $24, %eax
|
||
|
|
; X64-NEXT: retq
|
||
|
|
%conv = shl i32 %r, 24
|
||
|
|
store i32 %conv, i32* %p
|
||
|
|
%sext = add i32 %conv, 33554432
|
||
|
|
%conv1 = ashr i32 %sext, 24
|
||
|
|
ret i32 %conv1
|
||
|
|
}
|
||
|
|
|
||
|
|
define dso_local i32 @ashr_add_shl_i32_i8_extra_use3(i32 %r, i32* %p1, i32* %p2) nounwind {
|
||
|
|
; X32-LABEL: ashr_add_shl_i32_i8_extra_use3:
|
||
|
|
; X32: # %bb.0:
|
||
|
|
; X32-NEXT: movl {{[0-9]+}}(%esp), %ecx
|
||
|
|
; X32-NEXT: movl {{[0-9]+}}(%esp), %edx
|
||
|
|
; X32-NEXT: movl {{[0-9]+}}(%esp), %eax
|
||
|
|
; X32-NEXT: shll $24, %eax
|
||
|
|
; X32-NEXT: movl %eax, (%edx)
|
||
|
|
; X32-NEXT: addl $33554432, %eax # imm = 0x2000000
|
||
|
|
; X32-NEXT: movl %eax, (%ecx)
|
||
|
|
; X32-NEXT: sarl $24, %eax
|
||
|
|
; X32-NEXT: retl
|
||
|
|
;
|
||
|
|
; X64-LABEL: ashr_add_shl_i32_i8_extra_use3:
|
||
|
|
; X64: # %bb.0:
|
||
|
|
; X64-NEXT: movl %edi, %eax
|
||
|
|
; X64-NEXT: shll $24, %eax
|
||
|
|
; X64-NEXT: movl %eax, (%rsi)
|
||
|
|
; X64-NEXT: addl $33554432, %eax # imm = 0x2000000
|
||
|
|
; X64-NEXT: movl %eax, (%rdx)
|
||
|
|
; X64-NEXT: sarl $24, %eax
|
||
|
|
; X64-NEXT: retq
|
||
|
|
%conv = shl i32 %r, 24
|
||
|
|
store i32 %conv, i32* %p1
|
||
|
|
%sext = add i32 %conv, 33554432
|
||
|
|
store i32 %sext, i32* %p2
|
||
|
|
%conv1 = ashr i32 %sext, 24
|
||
|
|
ret i32 %conv1
|
||
|
|
}
|
||
|
|
|
||
|
|
%"class.QPainterPath" = type { double, double, i32 }
|
||
|
|
|
||
|
|
define dso_local void @PR42880(i32 %t0) {
|
||
|
|
; X32-LABEL: PR42880:
|
||
|
|
; X32: # %bb.0:
|
||
|
|
; X32-NEXT: xorl %eax, %eax
|
||
|
|
; X32-NEXT: testb %al, %al
|
||
|
|
; X32-NEXT: je .LBB16_1
|
||
|
|
; X32-NEXT: # %bb.2: # %if
|
||
|
|
; X32-NEXT: .LBB16_1: # %then
|
||
|
|
;
|
||
|
|
; X64-LABEL: PR42880:
|
||
|
|
; X64: # %bb.0:
|
||
|
|
; X64-NEXT: xorl %eax, %eax
|
||
|
|
; X64-NEXT: testb %al, %al
|
||
|
|
; X64-NEXT: je .LBB16_1
|
||
|
|
; X64-NEXT: # %bb.2: # %if
|
||
|
|
; X64-NEXT: .LBB16_1: # %then
|
||
|
|
%sub = add nsw i32 %t0, -1
|
||
|
|
%add.ptr.i94 = getelementptr inbounds %"class.QPainterPath", %"class.QPainterPath"* null, i32 %sub
|
||
|
|
%x = ptrtoint %"class.QPainterPath"* %add.ptr.i94 to i32
|
||
|
|
%sub2 = sub i32 %x, 0
|
||
|
|
%div = sdiv exact i32 %sub2, 24
|
||
|
|
br i1 undef, label %if, label %then
|
||
|
|
|
||
|
|
then:
|
||
|
|
%t1 = xor i32 %div, -1
|
||
|
|
unreachable
|
||
|
|
|
||
|
|
if:
|
||
|
|
unreachable
|
||
|
|
}
|