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-rw-r--r--test/CodeGen/X86/subcarry.ll137
1 files changed, 137 insertions, 0 deletions
diff --git a/test/CodeGen/X86/subcarry.ll b/test/CodeGen/X86/subcarry.ll
new file mode 100644
index 000000000000..df676328f682
--- /dev/null
+++ b/test/CodeGen/X86/subcarry.ll
@@ -0,0 +1,137 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+; RUN: llc < %s -mtriple=x86_64-unknown | FileCheck %s
+
+%S = type { [4 x i64] }
+
+define %S @negate(%S* nocapture readonly %this) {
+; CHECK-LABEL: negate:
+; CHECK: # BB#0: # %entry
+; CHECK-NEXT: movq (%rsi), %rax
+; CHECK-NEXT: movq 8(%rsi), %rcx
+; CHECK-NEXT: notq %rax
+; CHECK-NEXT: addq $1, %rax
+; CHECK-NEXT: notq %rcx
+; CHECK-NEXT: adcq $0, %rcx
+; CHECK-NEXT: movq 16(%rsi), %rdx
+; CHECK-NEXT: notq %rdx
+; CHECK-NEXT: adcq $0, %rdx
+; CHECK-NEXT: movq 24(%rsi), %rsi
+; CHECK-NEXT: notq %rsi
+; CHECK-NEXT: adcq $0, %rsi
+; CHECK-NEXT: movq %rax, (%rdi)
+; CHECK-NEXT: movq %rcx, 8(%rdi)
+; CHECK-NEXT: movq %rdx, 16(%rdi)
+; CHECK-NEXT: movq %rsi, 24(%rdi)
+; CHECK-NEXT: movq %rdi, %rax
+; CHECK-NEXT: retq
+entry:
+ %0 = getelementptr inbounds %S, %S* %this, i64 0, i32 0, i64 0
+ %1 = load i64, i64* %0, align 8
+ %2 = xor i64 %1, -1
+ %3 = zext i64 %2 to i128
+ %4 = add nuw nsw i128 %3, 1
+ %5 = trunc i128 %4 to i64
+ %6 = lshr i128 %4, 64
+ %7 = getelementptr inbounds %S, %S* %this, i64 0, i32 0, i64 1
+ %8 = load i64, i64* %7, align 8
+ %9 = xor i64 %8, -1
+ %10 = zext i64 %9 to i128
+ %11 = add nuw nsw i128 %6, %10
+ %12 = trunc i128 %11 to i64
+ %13 = lshr i128 %11, 64
+ %14 = getelementptr inbounds %S, %S* %this, i64 0, i32 0, i64 2
+ %15 = load i64, i64* %14, align 8
+ %16 = xor i64 %15, -1
+ %17 = zext i64 %16 to i128
+ %18 = add nuw nsw i128 %13, %17
+ %19 = lshr i128 %18, 64
+ %20 = trunc i128 %18 to i64
+ %21 = getelementptr inbounds %S, %S* %this, i64 0, i32 0, i64 3
+ %22 = load i64, i64* %21, align 8
+ %23 = xor i64 %22, -1
+ %24 = zext i64 %23 to i128
+ %25 = add nuw nsw i128 %19, %24
+ %26 = trunc i128 %25 to i64
+ %27 = insertvalue [4 x i64] undef, i64 %5, 0
+ %28 = insertvalue [4 x i64] %27, i64 %12, 1
+ %29 = insertvalue [4 x i64] %28, i64 %20, 2
+ %30 = insertvalue [4 x i64] %29, i64 %26, 3
+ %31 = insertvalue %S undef, [4 x i64] %30, 0
+ ret %S %31
+}
+
+define %S @sub(%S* nocapture readonly %this, %S %arg.b) local_unnamed_addr {
+; CHECK-LABEL: sub:
+; CHECK: # BB#0: # %entry
+; CHECK-NEXT: notq %rdx
+; CHECK-NEXT: xorl %r10d, %r10d
+; CHECK-NEXT: addq (%rsi), %rdx
+; CHECK-NEXT: setb %r10b
+; CHECK-NEXT: addq $1, %rdx
+; CHECK-NEXT: adcq 8(%rsi), %r10
+; CHECK-NEXT: setb %al
+; CHECK-NEXT: movzbl %al, %r11d
+; CHECK-NEXT: notq %rcx
+; CHECK-NEXT: addq %r10, %rcx
+; CHECK-NEXT: adcq 16(%rsi), %r11
+; CHECK-NEXT: setb %al
+; CHECK-NEXT: movzbl %al, %eax
+; CHECK-NEXT: notq %r8
+; CHECK-NEXT: addq %r11, %r8
+; CHECK-NEXT: adcq 24(%rsi), %rax
+; CHECK-NEXT: notq %r9
+; CHECK-NEXT: addq %rax, %r9
+; CHECK-NEXT: movq %rdx, (%rdi)
+; CHECK-NEXT: movq %rcx, 8(%rdi)
+; CHECK-NEXT: movq %r8, 16(%rdi)
+; CHECK-NEXT: movq %r9, 24(%rdi)
+; CHECK-NEXT: movq %rdi, %rax
+; CHECK-NEXT: retq
+entry:
+ %0 = extractvalue %S %arg.b, 0
+ %.elt6 = extractvalue [4 x i64] %0, 1
+ %.elt8 = extractvalue [4 x i64] %0, 2
+ %.elt10 = extractvalue [4 x i64] %0, 3
+ %.elt = extractvalue [4 x i64] %0, 0
+ %1 = getelementptr inbounds %S, %S* %this, i64 0, i32 0, i64 0
+ %2 = load i64, i64* %1, align 8
+ %3 = zext i64 %2 to i128
+ %4 = add nuw nsw i128 %3, 1
+ %5 = xor i64 %.elt, -1
+ %6 = zext i64 %5 to i128
+ %7 = add nuw nsw i128 %4, %6
+ %8 = trunc i128 %7 to i64
+ %9 = lshr i128 %7, 64
+ %10 = getelementptr inbounds %S, %S* %this, i64 0, i32 0, i64 1
+ %11 = load i64, i64* %10, align 8
+ %12 = zext i64 %11 to i128
+ %13 = add nuw nsw i128 %9, %12
+ %14 = xor i64 %.elt6, -1
+ %15 = zext i64 %14 to i128
+ %16 = add nuw nsw i128 %13, %15
+ %17 = trunc i128 %16 to i64
+ %18 = lshr i128 %16, 64
+ %19 = getelementptr inbounds %S, %S* %this, i64 0, i32 0, i64 2
+ %20 = load i64, i64* %19, align 8
+ %21 = zext i64 %20 to i128
+ %22 = add nuw nsw i128 %18, %21
+ %23 = xor i64 %.elt8, -1
+ %24 = zext i64 %23 to i128
+ %25 = add nuw nsw i128 %22, %24
+ %26 = lshr i128 %25, 64
+ %27 = trunc i128 %25 to i64
+ %28 = getelementptr inbounds %S, %S* %this, i64 0, i32 0, i64 3
+ %29 = load i64, i64* %28, align 8
+ %30 = zext i64 %29 to i128
+ %31 = add nuw nsw i128 %26, %30
+ %32 = xor i64 %.elt10, -1
+ %33 = zext i64 %32 to i128
+ %34 = add nuw nsw i128 %31, %33
+ %35 = trunc i128 %34 to i64
+ %36 = insertvalue [4 x i64] undef, i64 %8, 0
+ %37 = insertvalue [4 x i64] %36, i64 %17, 1
+ %38 = insertvalue [4 x i64] %37, i64 %27, 2
+ %39 = insertvalue [4 x i64] %38, i64 %35, 3
+ %40 = insertvalue %S undef, [4 x i64] %39, 0
+ ret %S %40
+}