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-rw-r--r--llvm/test/CodeGen/X86/addcarry.ll60
-rw-r--r--llvm/test/CodeGen/X86/subcarry.ll62
2 files changed, 121 insertions, 1 deletions
diff --git a/llvm/test/CodeGen/X86/addcarry.ll b/llvm/test/CodeGen/X86/addcarry.ll
index 33d2890a725..015a8f1974e 100644
--- a/llvm/test/CodeGen/X86/addcarry.ll
+++ b/llvm/test/CodeGen/X86/addcarry.ll
@@ -1,6 +1,7 @@
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=x86_64-unknown | FileCheck %s
+declare { i8, i64 } @llvm.x86.addcarry.64(i8, i64, i64)
declare { i64, i1 } @llvm.uadd.with.overflow.i64(i64, i64) #1
define i128 @add128(i128 %a, i128 %b) nounwind {
@@ -829,3 +830,62 @@ define i32 @add_U320_uaddo(%struct.U320* nocapture dereferenceable(40) %0, i64 %
%52 = zext i1 %51 to i32
ret i32 %52
}
+
+%struct.U192 = type { [3 x i64] }
+
+define void @PR39464(%struct.U192* noalias nocapture sret %0, %struct.U192* nocapture readonly dereferenceable(24) %1, %struct.U192* nocapture readonly dereferenceable(24) %2) {
+; CHECK-LABEL: PR39464:
+; CHECK: # %bb.0:
+; CHECK-NEXT: movq %rdi, %rax
+; CHECK-NEXT: movq (%rsi), %rcx
+; CHECK-NEXT: movq (%rdx), %r8
+; CHECK-NEXT: leaq (%rcx,%r8), %rdi
+; CHECK-NEXT: movq %rdi, (%rax)
+; CHECK-NEXT: movq 8(%rsi), %rdi
+; CHECK-NEXT: addq 8(%rdx), %rdi
+; CHECK-NEXT: setb %r9b
+; CHECK-NEXT: addq %r8, %rcx
+; CHECK-NEXT: adcq $0, %rdi
+; CHECK-NEXT: setb %cl
+; CHECK-NEXT: orb %r9b, %cl
+; CHECK-NEXT: movzbl %cl, %ecx
+; CHECK-NEXT: movq %rdi, 8(%rax)
+; CHECK-NEXT: movq 16(%rsi), %rsi
+; CHECK-NEXT: addq 16(%rdx), %rsi
+; CHECK-NEXT: addq %rcx, %rsi
+; CHECK-NEXT: movq %rsi, 16(%rax)
+; CHECK-NEXT: retq
+ %4 = getelementptr inbounds %struct.U192, %struct.U192* %1, i64 0, i32 0, i64 0
+ %5 = load i64, i64* %4, align 8
+ %6 = getelementptr inbounds %struct.U192, %struct.U192* %2, i64 0, i32 0, i64 0
+ %7 = load i64, i64* %6, align 8
+ %8 = tail call { i64, i1 } @llvm.uadd.with.overflow.i64(i64 %5, i64 %7)
+ %9 = extractvalue { i64, i1 } %8, 1
+ %10 = extractvalue { i64, i1 } %8, 0
+ %11 = zext i1 %9 to i64
+ %12 = getelementptr inbounds %struct.U192, %struct.U192* %0, i64 0, i32 0, i64 0
+ store i64 %10, i64* %12, align 8
+ %13 = getelementptr inbounds %struct.U192, %struct.U192* %1, i64 0, i32 0, i64 1
+ %14 = load i64, i64* %13, align 8
+ %15 = getelementptr inbounds %struct.U192, %struct.U192* %2, i64 0, i32 0, i64 1
+ %16 = load i64, i64* %15, align 8
+ %17 = tail call { i64, i1 } @llvm.uadd.with.overflow.i64(i64 %14, i64 %16)
+ %18 = extractvalue { i64, i1 } %17, 1
+ %19 = extractvalue { i64, i1 } %17, 0
+ %20 = tail call { i64, i1 } @llvm.uadd.with.overflow.i64(i64 %19, i64 %11)
+ %21 = extractvalue { i64, i1 } %20, 1
+ %22 = extractvalue { i64, i1 } %20, 0
+ %23 = or i1 %18, %21
+ %24 = zext i1 %23 to i64
+ %25 = getelementptr inbounds %struct.U192, %struct.U192* %0, i64 0, i32 0, i64 1
+ store i64 %22, i64* %25, align 8
+ %26 = getelementptr inbounds %struct.U192, %struct.U192* %1, i64 0, i32 0, i64 2
+ %27 = load i64, i64* %26, align 8
+ %28 = getelementptr inbounds %struct.U192, %struct.U192* %2, i64 0, i32 0, i64 2
+ %29 = load i64, i64* %28, align 8
+ %30 = add i64 %27, %29
+ %31 = add i64 %30, %24
+ %32 = getelementptr inbounds %struct.U192, %struct.U192* %0, i64 0, i32 0, i64 2
+ store i64 %31, i64* %32, align 8
+ ret void
+}
diff --git a/llvm/test/CodeGen/X86/subcarry.ll b/llvm/test/CodeGen/X86/subcarry.ll
index 745f018e9f0..212b3f9caee 100644
--- a/llvm/test/CodeGen/X86/subcarry.ll
+++ b/llvm/test/CodeGen/X86/subcarry.ll
@@ -1,7 +1,8 @@
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=x86_64-unknown | FileCheck %s
-declare { i64, i1 } @llvm.usub.with.overflow.i64(i64, i64) #1
+declare { i8, i64 } @llvm.x86.subborrow.64(i8, i64, i64)
+declare { i64, i1 } @llvm.usub.with.overflow.i64(i64, i64)
define i128 @sub128(i128 %a, i128 %b) nounwind {
; CHECK-LABEL: sub128:
@@ -384,3 +385,62 @@ define i32 @sub_U320_usubo(%struct.U320* nocapture dereferenceable(40) %0, i64 %
%52 = zext i1 %51 to i32
ret i32 %52
}
+
+%struct.U192 = type { [3 x i64] }
+
+define void @PR39464(%struct.U192* noalias nocapture sret %0, %struct.U192* nocapture readonly dereferenceable(24) %1, %struct.U192* nocapture readonly dereferenceable(24) %2) {
+; CHECK-LABEL: PR39464:
+; CHECK: # %bb.0:
+; CHECK-NEXT: movq %rdi, %rax
+; CHECK-NEXT: movq (%rsi), %rcx
+; CHECK-NEXT: xorl %r9d, %r9d
+; CHECK-NEXT: subq (%rdx), %rcx
+; CHECK-NEXT: setb %r9b
+; CHECK-NEXT: movq %rcx, (%rdi)
+; CHECK-NEXT: movq 8(%rsi), %rdi
+; CHECK-NEXT: subq 8(%rdx), %rdi
+; CHECK-NEXT: setb %r8b
+; CHECK-NEXT: subq %r9, %rdi
+; CHECK-NEXT: setb %cl
+; CHECK-NEXT: orb %r8b, %cl
+; CHECK-NEXT: movzbl %cl, %ecx
+; CHECK-NEXT: movq %rdi, 8(%rax)
+; CHECK-NEXT: movq 16(%rsi), %rsi
+; CHECK-NEXT: subq 16(%rdx), %rsi
+; CHECK-NEXT: subq %rcx, %rsi
+; CHECK-NEXT: movq %rsi, 16(%rax)
+; CHECK-NEXT: retq
+ %4 = getelementptr inbounds %struct.U192, %struct.U192* %1, i64 0, i32 0, i64 0
+ %5 = load i64, i64* %4, align 8
+ %6 = getelementptr inbounds %struct.U192, %struct.U192* %2, i64 0, i32 0, i64 0
+ %7 = load i64, i64* %6, align 8
+ %8 = tail call { i64, i1 } @llvm.usub.with.overflow.i64(i64 %5, i64 %7)
+ %9 = extractvalue { i64, i1 } %8, 1
+ %10 = extractvalue { i64, i1 } %8, 0
+ %11 = zext i1 %9 to i64
+ %12 = getelementptr inbounds %struct.U192, %struct.U192* %0, i64 0, i32 0, i64 0
+ store i64 %10, i64* %12, align 8
+ %13 = getelementptr inbounds %struct.U192, %struct.U192* %1, i64 0, i32 0, i64 1
+ %14 = load i64, i64* %13, align 8
+ %15 = getelementptr inbounds %struct.U192, %struct.U192* %2, i64 0, i32 0, i64 1
+ %16 = load i64, i64* %15, align 8
+ %17 = tail call { i64, i1 } @llvm.usub.with.overflow.i64(i64 %14, i64 %16)
+ %18 = extractvalue { i64, i1 } %17, 1
+ %19 = extractvalue { i64, i1 } %17, 0
+ %20 = tail call { i64, i1 } @llvm.usub.with.overflow.i64(i64 %19, i64 %11)
+ %21 = extractvalue { i64, i1 } %20, 1
+ %22 = extractvalue { i64, i1 } %20, 0
+ %23 = or i1 %18, %21
+ %24 = zext i1 %23 to i64
+ %25 = getelementptr inbounds %struct.U192, %struct.U192* %0, i64 0, i32 0, i64 1
+ store i64 %22, i64* %25, align 8
+ %26 = getelementptr inbounds %struct.U192, %struct.U192* %1, i64 0, i32 0, i64 2
+ %27 = load i64, i64* %26, align 8
+ %28 = getelementptr inbounds %struct.U192, %struct.U192* %2, i64 0, i32 0, i64 2
+ %29 = load i64, i64* %28, align 8
+ %30 = sub i64 %27, %29
+ %31 = sub i64 %30, %24
+ %32 = getelementptr inbounds %struct.U192, %struct.U192* %0, i64 0, i32 0, i64 2
+ store i64 %31, i64* %32, align 8
+ ret void
+}
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