[SEH] Use reportError instead of report_fatal_error for bad directives

This makes the .seh_ directives slightly more usable from standalone
assembly files.

This removes a large number of report_fatal_errors and recovers from the
error by ignoring the directive.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@315262 91177308-0d34-0410-b5e6-96231b3b80d8

2 files changed, 97 insertions, 2 deletions

diff --git a/test/MC/AsmParser/seh-directive-errors.s b/test/MC/AsmParser/seh-directive-errors.s
new file mode 100644
index 00000000000..5fa6c7846e7
--- /dev/null
+++ b/test/MC/AsmParser/seh-directive-errors.s
@@ -0,0 +1,96 @@
+# RUN: not llvm-mc %s -filetype=obj -o /dev/null 2>&1 | FileCheck %s --implicit-check-not=error:
+	.text
+
+	.seh_pushreg 6
+	# CHECK: :[[@LINE-1]]:{{[0-9]+}}: error: .seh_ directive must appear within an active frame
+
+	.seh_stackalloc 32
+	# CHECK: :[[@LINE-1]]:{{[0-9]+}}: error: .seh_ directive must appear within an active frame
+
+	.def	 f;
+	.scl	2;
+	.type	32;
+	.endef
+	.globl	f                       # -- Begin function f
+	.p2align	4, 0x90
+f:                                      # @f
+.seh_proc f
+	pushq	%rsi
+	.seh_pushreg 6
+	pushq	%rdi
+	.seh_pushreg 7
+	pushq	%rbx
+	.seh_pushreg 3
+	subq	$32, %rsp
+	.seh_stackalloc 0
+	# CHECK: :[[@LINE-1]]:{{[0-9]+}}: error: stack allocation size must be non-zero
+	.seh_stackalloc 7
+	# CHECK: :[[@LINE-1]]:{{[0-9]+}}: error: stack allocation size is not a multiple of 8
+	.seh_stackalloc 32
+	.seh_endprologue
+	nop
+	addq	$32, %rsp
+	popq	%rbx
+	popq	%rdi
+	popq	%rsi
+	retq
+	.seh_handlerdata
+	.text
+	.seh_endproc
+
+
+	.seh_pushreg 6
+	# CHECK: :[[@LINE-1]]:{{[0-9]+}}: error: .seh_ directive must appear within an active frame
+
+g:
+	.seh_proc g
+	pushq %rbp
+	.seh_pushreg 3
+	pushq %rsi
+	.seh_pushreg 6
+	.seh_endprologue
+	.seh_setframe 3 255
+	# CHECK: :[[@LINE-1]]:{{[0-9]+}}: error: you must specify a stack pointer offset
+	.seh_setframe 3, 255
+	# CHECK: :[[@LINE-1]]:{{[0-9]+}}: error: offset is not a multiple of 16
+	.seh_setframe 3, 256
+	# CHECK: :[[@LINE-1]]:{{[0-9]+}}: error: frame offset must be less than or equal to 240
+	.seh_setframe 3, 128
+	.seh_setframe 3, 128
+	# CHECK: :[[@LINE-1]]:{{[0-9]+}}: error: frame register and offset can be set at most once
+	nop
+	popq %rsi
+	popq %rbp
+	retq
+	.seh_endproc
+
+        .globl  h                       # -- Begin function h
+        .p2align        4, 0x90
+h:                                      # @h
+.seh_proc h
+# BB#0:                                 # %entry
+        subq    $72, %rsp
+        .seh_stackalloc 72
+        movaps  %xmm7, 48(%rsp)         # 16-byte Spill
+        .seh_savexmm 7 44
+	# CHECK: :[[@LINE-1]]:{{[0-9]+}}: error: you must specify an offset on the stack
+        .seh_savexmm 7, 44
+	# CHECK: :[[@LINE-1]]:{{[0-9]+}}: error: offset is not a multiple of 16
+        .seh_savexmm 7, 48
+        movaps  %xmm6, 32(%rsp)         # 16-byte Spill
+        .seh_savexmm 6, 32
+        .seh_endprologue
+        movapd  %xmm0, %xmm6
+        callq   getdbl
+        movapd  %xmm0, %xmm7
+        addsd   %xmm6, %xmm7
+        callq   getdbl
+        addsd   %xmm7, %xmm0
+        movaps  32(%rsp), %xmm6         # 16-byte Reload
+        movaps  48(%rsp), %xmm7         # 16-byte Reload
+        addq    $72, %rsp
+        retq
+        .seh_handlerdata
+        .text
+        .seh_endproc
+                                        # -- End function
diff --git a/test/MC/COFF/seh-stackalloc-zero.s b/test/MC/COFF/seh-stackalloc-zero.s
index 898ac844417..c03af42131b 100644
--- a/test/MC/COFF/seh-stackalloc-zero.s
+++ b/test/MC/COFF/seh-stackalloc-zero.s
@@ -1,11 +1,10 @@
 // RUN: not llvm-mc -triple x86_64-pc-win32 -filetype=obj %s -o %t.o 2>&1 | FileCheck %s
 
-// CHECK: Allocation size must be non-zero!
-
     .globl smallFunc
     .def smallFunc; .scl 2; .type 32; .endef
     .seh_proc smallFunc
     .seh_stackalloc 0
+// CHECK: :[[@LINE-1]]:{{[0-9]+}}: error: stack allocation size must be non-zero
 smallFunc:
     ret
     .seh_endproc