test/CodeGen/X86/2008-04-16-ReMatBug.ll

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=i386-apple-darwin -disable-cgp-branch-opts | FileCheck %s

	%struct.DBC_t = type { i32, ptr, i16, ptr, ptr, ptr, ptr, ptr, ptr, ptr, i32, i32, i32, i32, ptr, ptr, ptr, ptr, ptr, i32, i32, i32, i32, i32, i32, i32, i32, i16, i16, ptr, i8, i16, ptr, i16 }
	%struct.DRVOPT = type { i16, i32, i8, ptr }
	%struct.GENV_t = type { i32, ptr, i16, ptr, ptr, i32, i32, i32, i32, ptr, i16 }
	%struct.pthread_mutex_t = type { i32, [40 x i8] }
@iodbcdm_global_lock = external global %struct.pthread_mutex_t		; <ptr> [#uses=1]

define i16 @SQLDriversW(ptr %henv, i16 zeroext  %fDir, ptr %szDrvDesc, i16 signext  %cbDrvDescMax, ptr %pcbDrvDesc, ptr %szDrvAttr, i16 signext  %cbDrvAttrMax, ptr %pcbDrvAttr) nounwind  {
; CHECK-LABEL: SQLDriversW:
; CHECK:       ## %bb.0: ## %entry
; CHECK-NEXT:    pushl %ebp
; CHECK-NEXT:    pushl %ebx
; CHECK-NEXT:    pushl %edi
; CHECK-NEXT:    pushl %esi
; CHECK-NEXT:    subl $12, %esp
; CHECK-NEXT:    movb $1, %al
; CHECK-NEXT:    testb %al, %al
; CHECK-NEXT:    je LBB0_1
; CHECK-NEXT:  ## %bb.3: ## %bb28
; CHECK-NEXT:    movzwl {{[0-9]+}}(%esp), %ecx
; CHECK-NEXT:    movzwl {{[0-9]+}}(%esp), %ebx
; CHECK-NEXT:    movzwl {{[0-9]+}}(%esp), %ebp
; CHECK-NEXT:    movl {{[0-9]+}}(%esp), %edi
; CHECK-NEXT:    movw $-2, %si
; CHECK-NEXT:    jne LBB0_6
; CHECK-NEXT:  ## %bb.4: ## %bb37
; CHECK-NEXT:    movw $0, 40(%edi)
; CHECK-NEXT:    testb %al, %al
; CHECK-NEXT:    leal (,%ecx,4), %ecx
; CHECK-NEXT:    leal (,%ebx,4), %edx
; CHECK-NEXT:    subl $12, %esp
; CHECK-NEXT:    movzwl %bp, %eax
; CHECK-NEXT:    movswl %cx, %ecx
; CHECK-NEXT:    movswl %dx, %edx
; CHECK-NEXT:    pushl $87
; CHECK-NEXT:    pushl {{[0-9]+}}(%esp)
; CHECK-NEXT:    pushl %ecx
; CHECK-NEXT:    pushl $0
; CHECK-NEXT:    pushl {{[0-9]+}}(%esp)
; CHECK-NEXT:    pushl %edx
; CHECK-NEXT:    pushl $0
; CHECK-NEXT:    pushl %eax
; CHECK-NEXT:    pushl %edi
; CHECK-NEXT:    calll _SQLDrivers_Internal
; CHECK-NEXT:    addl $48, %esp
; CHECK-NEXT:    movl %eax, %esi
; CHECK-NEXT:    xorl %eax, %eax
; CHECK-NEXT:    testb %al, %al
; CHECK-NEXT:    je LBB0_1
; CHECK-NEXT:  ## %bb.5:
; CHECK-NEXT:    movzwl {{[0-9]+}}(%esp), %ecx
; CHECK-NEXT:  LBB0_6: ## %done
; CHECK-NEXT:    xorl %eax, %eax
; CHECK-NEXT:    testb %al, %al
; CHECK-NEXT:    je LBB0_7
; CHECK-NEXT:  ## %bb.8: ## %bb167
; CHECK-NEXT:    subl $12, %esp
; CHECK-NEXT:    movl L_iodbcdm_global_lock$non_lazy_ptr, %eax
; CHECK-NEXT:    pushl %eax
; CHECK-NEXT:    calll _pthread_mutex_unlock
; CHECK-NEXT:    addl $16, %esp
; CHECK-NEXT:    movl %esi, %eax
; CHECK-NEXT:    jmp LBB0_2
; CHECK-NEXT:  LBB0_7: ## %bb150
; CHECK-NEXT:    movswl %si, %eax
; CHECK-NEXT:    subl $8, %esp
; CHECK-NEXT:    movswl %cx, %ecx
; CHECK-NEXT:    movswl %bx, %edx
; CHECK-NEXT:    movzwl %bp, %esi
; CHECK-NEXT:    pushl {{[0-9]+}}(%esp)
; CHECK-NEXT:    pushl %ecx
; CHECK-NEXT:    pushl {{[0-9]+}}(%esp)
; CHECK-NEXT:    pushl {{[0-9]+}}(%esp)
; CHECK-NEXT:    pushl %edx
; CHECK-NEXT:    pushl {{[0-9]+}}(%esp)
; CHECK-NEXT:    pushl %esi
; CHECK-NEXT:    pushl %edi
; CHECK-NEXT:    pushl %eax
; CHECK-NEXT:    pushl $1
; CHECK-NEXT:    calll _trace_SQLDriversW
; CHECK-NEXT:    addl $48, %esp
; CHECK-NEXT:  LBB0_1: ## %bb
; CHECK-NEXT:    xorl %eax, %eax
; CHECK-NEXT:  LBB0_2: ## %bb
; CHECK-NEXT:    addl $12, %esp
; CHECK-NEXT:    popl %esi
; CHECK-NEXT:    popl %edi
; CHECK-NEXT:    popl %ebx
; CHECK-NEXT:    popl %ebp
; CHECK-NEXT:    retl
entry:
	br i1 true, label %bb28, label %bb
bb:		; preds = %entry
	ret i16 0
bb28:		; preds = %entry
	br i1 false, label %bb37, label %done
bb37:		; preds = %bb28
	%tmp46 = getelementptr %struct.GENV_t, ptr %henv, i32 0, i32 10		; <ptr> [#uses=1]
	store i16 0, ptr %tmp46, align 4
	br i1 false, label %bb74, label %bb92
bb74:		; preds = %bb37
	br label %bb92
bb92:		; preds = %bb74, %bb37
	%tmp95180 = shl i16 %cbDrvAttrMax, 2		; <i16> [#uses=1]
	%tmp100178 = shl i16 %cbDrvDescMax, 2		; <i16> [#uses=1]
	%tmp113 = tail call i16 @SQLDrivers_Internal( ptr %henv, i16 zeroext  %fDir, ptr null, i16 signext  %tmp100178, ptr %pcbDrvDesc, ptr null, i16 signext  %tmp95180, ptr %pcbDrvAttr, i8 zeroext  87 )  nounwind 		; <i16> [#uses=1]
	br i1 false, label %done, label %bb137
bb137:		; preds = %bb92
	ret i16 0
done:		; preds = %bb92, %bb28
	%retcode.0 = phi i16 [ -2, %bb28 ], [ %tmp113, %bb92 ]		; <i16> [#uses=2]
	br i1 false, label %bb167, label %bb150
bb150:		; preds = %done
	%tmp157158 = sext i16 %retcode.0 to i32		; <i32> [#uses=1]
	tail call void @trace_SQLDriversW( i32 1, i32 %tmp157158, ptr %henv, i16 zeroext  %fDir, ptr %szDrvDesc, i16 signext  %cbDrvDescMax, ptr %pcbDrvDesc, ptr %szDrvAttr, i16 signext  %cbDrvAttrMax, ptr %pcbDrvAttr ) nounwind
	ret i16 0
bb167:		; preds = %done
	%tmp168 = tail call i32 @pthread_mutex_unlock( ptr @iodbcdm_global_lock ) nounwind 		; <i32> [#uses=0]
	ret i16 %retcode.0
}

declare i32 @pthread_mutex_unlock(ptr)

declare i16 @SQLDrivers_Internal(ptr, i16 zeroext , ptr, i16 signext , ptr, ptr, i16 signext , ptr, i8 zeroext )  nounwind

declare void @trace_SQLDriversW(i32, i32, ptr, i16 zeroext , ptr, i16 signext , ptr, ptr, i16 signext , ptr)