Imported Upstream version 5.18.0.246

Former-commit-id: 0c7ce5b1a7851e13f22acfd379b7f9fb304e4833

external/llvm/test/CodeGen/X86/coal-sections.ll

@@ -0,0 +1,23 @@
+; RUN: llc < %s -mtriple x86_64-apple-darwin | FileCheck %s
+
+; Check that *coal* sections are not emitted.
+
+; CHECK: .section  __TEXT,__text,regular,pure_instructions{{$}}
+; CHECK-NEXT: .globl  _foo
+
+; CHECK: .section  __TEXT,__const{{$}}
+; CHECK-NEXT: .globl  _a
+
+; CHECK: .section  __DATA,__data{{$}}
+; CHECK-NEXT: .globl  _b
+
+@a = weak_odr constant [4 x i32] [i32 1, i32 2, i32 3, i32 4], align 16
+@b = weak global i32 5, align 4
+@g = common global i32* null, align 8
+
+; Function Attrs: nounwind ssp uwtable
+define weak i32* @foo() {
+entry:
+  store i32* getelementptr inbounds ([4 x i32], [4 x i32]* @a, i64 0, i64 0), i32** @g, align 8
+  ret i32* @b
+}