; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; RUN: llc -mtriple=i686-unknown < %s | FileCheck %s --check-prefix=X32 ; RUN: llc -mtriple=x86_64-unknown < %s | FileCheck %s --check-prefix=X64 @array = weak dso_local global [4 x i32] zeroinitializer define dso_local i32 @test_lshr_and(i32 %x) { ; X32-LABEL: test_lshr_and: ; X32: # %bb.0: ; X32-NEXT: movl {{[0-9]+}}(%esp), %eax ; X32-NEXT: andl $12, %eax ; X32-NEXT: movl array(%eax), %eax ; X32-NEXT: retl ; ; X64-LABEL: test_lshr_and: ; X64: # %bb.0: ; X64-NEXT: # kill: def $edi killed $edi def $rdi ; X64-NEXT: shrl $2, %edi ; X64-NEXT: andl $3, %edi ; X64-NEXT: movl array(,%rdi,4), %eax ; X64-NEXT: retq %tmp2 = lshr i32 %x, 2 %tmp3 = and i32 %tmp2, 3 %tmp4 = getelementptr [4 x i32], [4 x i32]* @array, i32 0, i32 %tmp3 %tmp5 = load i32, i32* %tmp4, align 4 ret i32 %tmp5 } define dso_local i32* @test_exact1(i32 %a, i32 %b, i32* %x) { ; X32-LABEL: test_exact1: ; X32: # %bb.0: ; X32-NEXT: movl {{[0-9]+}}(%esp), %eax ; X32-NEXT: subl {{[0-9]+}}(%esp), %eax ; X32-NEXT: sarl %eax ; X32-NEXT: addl {{[0-9]+}}(%esp), %eax ; X32-NEXT: retl ; ; X64-LABEL: test_exact1: ; X64: # %bb.0: ; X64-NEXT: subl %edi, %esi ; X64-NEXT: sarl $3, %esi ; X64-NEXT: movslq %esi, %rax ; X64-NEXT: leaq (%rdx,%rax,4), %rax ; X64-NEXT: retq %sub = sub i32 %b, %a %shr = ashr exact i32 %sub, 3 %gep = getelementptr inbounds i32, i32* %x, i32 %shr ret i32* %gep } define dso_local i32* @test_exact2(i32 %a, i32 %b, i32* %x) { ; X32-LABEL: test_exact2: ; X32: # %bb.0: ; X32-NEXT: movl {{[0-9]+}}(%esp), %eax ; X32-NEXT: subl {{[0-9]+}}(%esp), %eax ; X32-NEXT: sarl %eax ; X32-NEXT: addl {{[0-9]+}}(%esp), %eax ; X32-NEXT: retl ; ; X64-LABEL: test_exact2: ; X64: # %bb.0: ; X64-NEXT: subl %edi, %esi ; X64-NEXT: sarl $3, %esi ; X64-NEXT: movslq %esi, %rax ; X64-NEXT: leaq (%rdx,%rax,4), %rax ; X64-NEXT: retq %sub = sub i32 %b, %a %shr = ashr exact i32 %sub, 3 %gep = getelementptr inbounds i32, i32* %x, i32 %shr ret i32* %gep } define dso_local i32* @test_exact3(i32 %a, i32 %b, i32* %x) { ; X32-LABEL: test_exact3: ; X32: # %bb.0: ; X32-NEXT: movl {{[0-9]+}}(%esp), %eax ; X32-NEXT: subl {{[0-9]+}}(%esp), %eax ; X32-NEXT: addl {{[0-9]+}}(%esp), %eax ; X32-NEXT: retl ; ; X64-LABEL: test_exact3: ; X64: # %bb.0: ; X64-NEXT: subl %edi, %esi ; X64-NEXT: sarl $2, %esi ; X64-NEXT: movslq %esi, %rax ; X64-NEXT: leaq (%rdx,%rax,4), %rax ; X64-NEXT: retq %sub = sub i32 %b, %a %shr = ashr exact i32 %sub, 2 %gep = getelementptr inbounds i32, i32* %x, i32 %shr ret i32* %gep } define dso_local i32* @test_exact4(i32 %a, i32 %b, i32* %x) { ; X32-LABEL: test_exact4: ; X32: # %bb.0: ; X32-NEXT: movl {{[0-9]+}}(%esp), %eax ; X32-NEXT: subl {{[0-9]+}}(%esp), %eax ; X32-NEXT: shrl %eax ; X32-NEXT: addl {{[0-9]+}}(%esp), %eax ; X32-NEXT: retl ; ; X64-LABEL: test_exact4: ; X64: # %bb.0: ; X64-NEXT: # kill: def $esi killed $esi def $rsi ; X64-NEXT: subl %edi, %esi ; X64-NEXT: shrl $3, %esi ; X64-NEXT: leaq (%rdx,%rsi,4), %rax ; X64-NEXT: retq %sub = sub i32 %b, %a %shr = lshr exact i32 %sub, 3 %gep = getelementptr inbounds i32, i32* %x, i32 %shr ret i32* %gep } define dso_local i32* @test_exact5(i32 %a, i32 %b, i32* %x) { ; X32-LABEL: test_exact5: ; X32: # %bb.0: ; X32-NEXT: movl {{[0-9]+}}(%esp), %eax ; X32-NEXT: subl {{[0-9]+}}(%esp), %eax ; X32-NEXT: shrl %eax ; X32-NEXT: addl {{[0-9]+}}(%esp), %eax ; X32-NEXT: retl ; ; X64-LABEL: test_exact5: ; X64: # %bb.0: ; X64-NEXT: # kill: def $esi killed $esi def $rsi ; X64-NEXT: subl %edi, %esi ; X64-NEXT: shrl $3, %esi ; X64-NEXT: leaq (%rdx,%rsi,4), %rax ; X64-NEXT: retq %sub = sub i32 %b, %a %shr = lshr exact i32 %sub, 3 %gep = getelementptr inbounds i32, i32* %x, i32 %shr ret i32* %gep } define dso_local i32* @test_exact6(i32 %a, i32 %b, i32* %x) { ; X32-LABEL: test_exact6: ; X32: # %bb.0: ; X32-NEXT: movl {{[0-9]+}}(%esp), %eax ; X32-NEXT: subl {{[0-9]+}}(%esp), %eax ; X32-NEXT: addl {{[0-9]+}}(%esp), %eax ; X32-NEXT: retl ; ; X64-LABEL: test_exact6: ; X64: # %bb.0: ; X64-NEXT: # kill: def $esi killed $esi def $rsi ; X64-NEXT: subl %edi, %esi ; X64-NEXT: leaq (%rsi,%rdx), %rax ; X64-NEXT: retq %sub = sub i32 %b, %a %shr = lshr exact i32 %sub, 2 %gep = getelementptr inbounds i32, i32* %x, i32 %shr ret i32* %gep } ; PR42644 - https://bugs.llvm.org/show_bug.cgi?id=42644 define i64 @ashr_add_shl_i32(i64 %r) nounwind { ; X32-LABEL: ashr_add_shl_i32: ; X32: # %bb.0: ; X32-NEXT: movl {{[0-9]+}}(%esp), %eax ; X32-NEXT: incl %eax ; X32-NEXT: movl %eax, %edx ; X32-NEXT: sarl $31, %edx ; X32-NEXT: retl ; ; X64-LABEL: ashr_add_shl_i32: ; X64: # %bb.0: ; X64-NEXT: incl %edi ; X64-NEXT: movslq %edi, %rax ; X64-NEXT: retq %conv = shl i64 %r, 32 %sext = add i64 %conv, 4294967296 %conv1 = ashr i64 %sext, 32 ret i64 %conv1 } define i64 @ashr_add_shl_i8(i64 %r) nounwind { ; X32-LABEL: ashr_add_shl_i8: ; X32: # %bb.0: ; X32-NEXT: movb {{[0-9]+}}(%esp), %al ; X32-NEXT: addb $2, %al ; X32-NEXT: movsbl %al, %eax ; X32-NEXT: movl %eax, %edx ; X32-NEXT: sarl $31, %edx ; X32-NEXT: retl ; ; X64-LABEL: ashr_add_shl_i8: ; X64: # %bb.0: ; X64-NEXT: addb $2, %dil ; X64-NEXT: movsbq %dil, %rax ; X64-NEXT: retq %conv = shl i64 %r, 56 %sext = add i64 %conv, 144115188075855872 %conv1 = ashr i64 %sext, 56 ret i64 %conv1 } define <4 x i32> @ashr_add_shl_v4i8(<4 x i32> %r) nounwind { ; X32-LABEL: ashr_add_shl_v4i8: ; X32: # %bb.0: ; X32-NEXT: pushl %edi ; X32-NEXT: pushl %esi ; X32-NEXT: movl {{[0-9]+}}(%esp), %eax ; X32-NEXT: movb {{[0-9]+}}(%esp), %cl ; X32-NEXT: movb {{[0-9]+}}(%esp), %dl ; X32-NEXT: movb {{[0-9]+}}(%esp), %ch ; X32-NEXT: movb {{[0-9]+}}(%esp), %dh ; X32-NEXT: incb %dh ; X32-NEXT: movsbl %dh, %esi ; X32-NEXT: incb %ch ; X32-NEXT: movsbl %ch, %edi ; X32-NEXT: incb %dl ; X32-NEXT: movsbl %dl, %edx ; X32-NEXT: incb %cl ; X32-NEXT: movsbl %cl, %ecx ; X32-NEXT: movl %ecx, 12(%eax) ; X32-NEXT: movl %edx, 8(%eax) ; X32-NEXT: movl %edi, 4(%eax) ; X32-NEXT: movl %esi, (%eax) ; X32-NEXT: popl %esi ; X32-NEXT: popl %edi ; X32-NEXT: retl $4 ; ; X64-LABEL: ashr_add_shl_v4i8: ; X64: # %bb.0: ; X64-NEXT: pslld $24, %xmm0 ; X64-NEXT: paddd {{.*}}(%rip), %xmm0 ; X64-NEXT: psrad $24, %xmm0 ; X64-NEXT: retq %conv = shl <4 x i32> %r, %sext = add <4 x i32> %conv, %conv1 = ashr <4 x i32> %sext, ret <4 x i32> %conv1 } define i64 @ashr_add_shl_i36(i64 %r) nounwind { ; X32-LABEL: ashr_add_shl_i36: ; X32: # %bb.0: ; X32-NEXT: movl {{[0-9]+}}(%esp), %edx ; X32-NEXT: shll $4, %edx ; X32-NEXT: movl %edx, %eax ; X32-NEXT: sarl $4, %eax ; X32-NEXT: sarl $31, %edx ; X32-NEXT: retl ; ; X64-LABEL: ashr_add_shl_i36: ; X64: # %bb.0: ; X64-NEXT: movq %rdi, %rax ; X64-NEXT: shlq $36, %rax ; X64-NEXT: sarq $36, %rax ; X64-NEXT: retq %conv = shl i64 %r, 36 %sext = add i64 %conv, 4294967296 %conv1 = ashr i64 %sext, 36 ret i64 %conv1 } define i64 @ashr_add_shl_mismatch_shifts1(i64 %r) nounwind { ; X32-LABEL: ashr_add_shl_mismatch_shifts1: ; X32: # %bb.0: ; X32-NEXT: movl {{[0-9]+}}(%esp), %eax ; X32-NEXT: incl %eax ; X32-NEXT: movl %eax, %edx ; X32-NEXT: sarl $31, %edx ; X32-NEXT: retl ; ; X64-LABEL: ashr_add_shl_mismatch_shifts1: ; X64: # %bb.0: ; X64-NEXT: shlq $8, %rdi ; X64-NEXT: movabsq $4294967296, %rax # imm = 0x100000000 ; X64-NEXT: addq %rdi, %rax ; X64-NEXT: sarq $32, %rax ; X64-NEXT: retq %conv = shl i64 %r, 8 %sext = add i64 %conv, 4294967296 %conv1 = ashr i64 %sext, 32 ret i64 %conv1 } define i64 @ashr_add_shl_mismatch_shifts2(i64 %r) nounwind { ; X32-LABEL: ashr_add_shl_mismatch_shifts2: ; X32: # %bb.0: ; X32-NEXT: movl {{[0-9]+}}(%esp), %eax ; X32-NEXT: movl {{[0-9]+}}(%esp), %edx ; X32-NEXT: shrl $8, %edx ; X32-NEXT: incl %edx ; X32-NEXT: shrdl $8, %edx, %eax ; X32-NEXT: shrl $8, %edx ; X32-NEXT: retl ; ; X64-LABEL: ashr_add_shl_mismatch_shifts2: ; X64: # %bb.0: ; X64-NEXT: shrq $8, %rdi ; X64-NEXT: movabsq $4294967296, %rax # imm = 0x100000000 ; X64-NEXT: addq %rdi, %rax ; X64-NEXT: shrq $8, %rax ; X64-NEXT: retq %conv = lshr i64 %r, 8 %sext = add i64 %conv, 4294967296 %conv1 = ashr i64 %sext, 8 ret i64 %conv1 } 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 }