forked from OSchip/llvm-project
128 lines
3.9 KiB
LLVM
128 lines
3.9 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc %s -o - | FileCheck %s
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target triple = "thumbv7-apple-ios"
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declare i32 @llvm.eh.sjlj.setjmp(i8*)
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declare void @llvm.eh.sjlj.longjmp(i8*)
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declare i8* @llvm.frameaddress(i32)
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declare i8* @llvm.stacksave()
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@g = external global i32
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define void @double_foobar() {
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; CHECK-LABEL: double_foobar:
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; CHECK: @ %bb.0: @ %entry
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; CHECK-NEXT: push.w {r4, r5, r6, r7, r8, r10, r11, lr}
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; CHECK-NEXT: add r7, sp, #24
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; CHECK-NEXT: sub sp, #24
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; CHECK-NEXT: movs r1, #0
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; CHECK-NEXT: add r0, sp, #4
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; CHECK-NEXT: str r7, [sp, #4]
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; CHECK-NEXT: str.w sp, [sp, #12]
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; CHECK-NEXT: mov r1, pc @ eh_setjmp begin
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; CHECK-NEXT: adds r1, r1, #7
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; CHECK-NEXT: str r1, [r0, #4]
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; CHECK-NEXT: movs r0, #0
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; CHECK-NEXT: b LSJLJEH0
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; CHECK-NEXT: movs r0, #1 @ eh_setjmp end
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; CHECK-NEXT: LSJLJEH0:
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; CHECK-NEXT: cbz r0, LBB0_3
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; CHECK-NEXT: @ %bb.1: @ %if.then
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; CHECK-NEXT: movw r0, :lower16:(L_g$non_lazy_ptr-(LPC0_0+4))
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; CHECK-NEXT: movt r0, :upper16:(L_g$non_lazy_ptr-(LPC0_0+4))
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; CHECK-NEXT: LPC0_0:
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; CHECK-NEXT: add r0, pc
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; CHECK-NEXT: ldr r1, [r0]
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; CHECK-NEXT: movs r0, #1
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; CHECK-NEXT: str r1, [sp] @ 4-byte Spill
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; CHECK-NEXT: str r0, [r1]
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; CHECK-NEXT: add r0, sp, #4
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; CHECK-NEXT: movs r1, #0
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; CHECK-NEXT: str r7, [sp, #4]
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; CHECK-NEXT: str.w sp, [sp, #12]
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; CHECK-NEXT: mov r1, pc @ eh_setjmp begin
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; CHECK-NEXT: adds r1, r1, #7
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; CHECK-NEXT: str r1, [r0, #4]
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; CHECK-NEXT: movs r0, #0
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; CHECK-NEXT: b LSJLJEH1
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; CHECK-NEXT: movs r0, #1 @ eh_setjmp end
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; CHECK-NEXT: LSJLJEH1:
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; CHECK-NEXT: cmp r0, #0
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; CHECK-NEXT: itttt ne
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; CHECK-NEXT: movne r0, #3
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; CHECK-NEXT: ldrne r1, [sp] @ 4-byte Reload
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; CHECK-NEXT: strne r0, [r1]
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; CHECK-NEXT: addne sp, #24
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; CHECK-NEXT: it ne
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; CHECK-NEXT: popne.w {r4, r5, r6, r7, r8, r10, r11, pc}
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; CHECK-NEXT: LBB0_2: @ %if2.else
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; CHECK-NEXT: ldr r1, [sp] @ 4-byte Reload
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; CHECK-NEXT: movs r0, #2
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; CHECK-NEXT: str r0, [r1]
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; CHECK-NEXT: add r1, sp, #4
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; CHECK-NEXT: movs r0, #0
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; CHECK-NEXT: ldr r0, [r1, #8]
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; CHECK-NEXT: mov sp, r0
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; CHECK-NEXT: ldr r0, [r1, #4]
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; CHECK-NEXT: ldr r7, [r1]
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; CHECK-NEXT: bx r0
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; CHECK-NEXT: LBB0_3: @ %if.else
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; CHECK-NEXT: movw r0, :lower16:(L_g$non_lazy_ptr-(LPC0_1+4))
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; CHECK-NEXT: movs r1, #0
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; CHECK-NEXT: movt r0, :upper16:(L_g$non_lazy_ptr-(LPC0_1+4))
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; CHECK-NEXT: LPC0_1:
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; CHECK-NEXT: add r0, pc
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; CHECK-NEXT: ldr r0, [r0]
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; CHECK-NEXT: str r1, [r0]
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; CHECK-NEXT: add r0, sp, #4
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; CHECK-NEXT: ldr r1, [r0, #8]
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; CHECK-NEXT: mov sp, r1
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; CHECK-NEXT: ldr r1, [r0, #4]
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; CHECK-NEXT: ldr r7, [r0]
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; CHECK-NEXT: bx r1
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entry:
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%buf = alloca [5 x i8*], align 4
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%bufptr = bitcast [5 x i8*]* %buf to i8*
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%arraydecay = getelementptr inbounds [5 x i8*], [5 x i8*]* %buf, i32 0, i32 0
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%fa = tail call i8* @llvm.frameaddress(i32 0)
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store i8* %fa, i8** %arraydecay, align 4
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%ss = tail call i8* @llvm.stacksave()
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%ssgep = getelementptr [5 x i8*], [5 x i8*]* %buf, i32 0, i32 2
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store i8* %ss, i8** %ssgep, align 4
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%setjmpres = call i32 @llvm.eh.sjlj.setjmp(i8* %bufptr)
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%tobool = icmp ne i32 %setjmpres, 0
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br i1 %tobool, label %if.then, label %if.else
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if.then:
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store volatile i32 1, i32* @g, align 4
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br label %if.end
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if.else:
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store volatile i32 0, i32* @g, align 4
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call void @llvm.eh.sjlj.longjmp(i8* %bufptr)
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unreachable
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if.end:
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%fa2 = tail call i8* @llvm.frameaddress(i32 0)
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store i8* %fa2, i8** %arraydecay, align 4
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%ss2 = tail call i8* @llvm.stacksave()
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store i8* %ss2, i8** %ssgep, align 4
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%setjmpres2 = call i32 @llvm.eh.sjlj.setjmp(i8* %bufptr)
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%tobool2 = icmp ne i32 %setjmpres2, 0
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br i1 %tobool2, label %if2.then, label %if2.else
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if2.then:
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store volatile i32 3, i32* @g, align 4
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br label %if2.end
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if2.else:
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store volatile i32 2, i32* @g, align 4
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call void @llvm.eh.sjlj.longjmp(i8* %bufptr)
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unreachable
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if2.end:
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ret void
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}
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