+++ /dev/null
-; Use the -disable-cfi flag so that we get the compact unwind info in the
-; emitted assembly. Compact unwind info is omitted when CFI directives
-; are emitted.
-;
-; RUN: llc -march=arm64 -mtriple=arm64-apple-ios -disable-cfi < %s | FileCheck %s
-;
-; rdar://13070556
-
-@bar = common global i32 0, align 4
-
-; Leaf function with no stack allocation and no saving/restoring
-; of non-volatile registers.
-define i32 @foo1(i32 %a) #0 {
-entry:
- %add = add nsw i32 %a, 42
- ret i32 %add
-}
-
-; Leaf function with stack allocation but no saving/restoring
-; of non-volatile registers.
-define i32 @foo2(i32 %a, i32 %b, i32 %c, i32 %d, i32 %e, i32 %f, i32 %g, i32 %h) #0 {
-entry:
- %stack = alloca [36 x i32], align 4
- br label %for.body
-
-for.body: ; preds = %for.body, %entry
- %indvars.iv19 = phi i64 [ 0, %entry ], [ %indvars.iv.next20, %for.body ]
- %arrayidx = getelementptr inbounds [36 x i32]* %stack, i64 0, i64 %indvars.iv19
- %0 = trunc i64 %indvars.iv19 to i32
- store i32 %0, i32* %arrayidx, align 4, !tbaa !0
- %indvars.iv.next20 = add i64 %indvars.iv19, 1
- %lftr.wideiv21 = trunc i64 %indvars.iv.next20 to i32
- %exitcond22 = icmp eq i32 %lftr.wideiv21, 36
- br i1 %exitcond22, label %for.body4, label %for.body
-
-for.body4: ; preds = %for.body, %for.body4
- %indvars.iv = phi i64 [ %indvars.iv.next, %for.body4 ], [ 0, %for.body ]
- %z1.016 = phi i32 [ %add, %for.body4 ], [ 0, %for.body ]
- %arrayidx6 = getelementptr inbounds [36 x i32]* %stack, i64 0, i64 %indvars.iv
- %1 = load i32* %arrayidx6, align 4, !tbaa !0
- %add = add nsw i32 %1, %z1.016
- %indvars.iv.next = add i64 %indvars.iv, 1
- %lftr.wideiv = trunc i64 %indvars.iv.next to i32
- %exitcond = icmp eq i32 %lftr.wideiv, 36
- br i1 %exitcond, label %for.end9, label %for.body4
-
-for.end9: ; preds = %for.body4
- ret i32 %add
-}
-
-; Leaf function with no stack allocation but with saving restoring of
-; non-volatile registers.
-define i32 @foo3(i32 %a, i32 %b, i32 %c, i32 %d, i32 %e, i32 %f, i32 %g, i32 %h) #1 {
-entry:
- %0 = load volatile i32* @bar, align 4, !tbaa !0
- %1 = load volatile i32* @bar, align 4, !tbaa !0
- %2 = load volatile i32* @bar, align 4, !tbaa !0
- %3 = load volatile i32* @bar, align 4, !tbaa !0
- %4 = load volatile i32* @bar, align 4, !tbaa !0
- %5 = load volatile i32* @bar, align 4, !tbaa !0
- %6 = load volatile i32* @bar, align 4, !tbaa !0
- %7 = load volatile i32* @bar, align 4, !tbaa !0
- %8 = load volatile i32* @bar, align 4, !tbaa !0
- %9 = load volatile i32* @bar, align 4, !tbaa !0
- %10 = load volatile i32* @bar, align 4, !tbaa !0
- %11 = load volatile i32* @bar, align 4, !tbaa !0
- %12 = load volatile i32* @bar, align 4, !tbaa !0
- %13 = load volatile i32* @bar, align 4, !tbaa !0
- %14 = load volatile i32* @bar, align 4, !tbaa !0
- %15 = load volatile i32* @bar, align 4, !tbaa !0
- %16 = load volatile i32* @bar, align 4, !tbaa !0
- %17 = load volatile i32* @bar, align 4, !tbaa !0
- %factor = mul i32 %h, -2
- %factor56 = mul i32 %g, -2
- %factor57 = mul i32 %f, -2
- %factor58 = mul i32 %e, -2
- %factor59 = mul i32 %d, -2
- %factor60 = mul i32 %c, -2
- %factor61 = mul i32 %b, -2
- %sum = add i32 %1, %0
- %sum62 = add i32 %sum, %2
- %sum63 = add i32 %sum62, %3
- %sum64 = add i32 %sum63, %4
- %sum65 = add i32 %sum64, %5
- %sum66 = add i32 %sum65, %6
- %sum67 = add i32 %sum66, %7
- %sum68 = add i32 %sum67, %8
- %sum69 = add i32 %sum68, %9
- %sum70 = add i32 %sum69, %10
- %sum71 = add i32 %sum70, %11
- %sum72 = add i32 %sum71, %12
- %sum73 = add i32 %sum72, %13
- %sum74 = add i32 %sum73, %14
- %sum75 = add i32 %sum74, %15
- %sum76 = add i32 %sum75, %16
- %sub10 = sub i32 %17, %sum76
- %sub11 = add i32 %sub10, %factor
- %sub12 = add i32 %sub11, %factor56
- %sub13 = add i32 %sub12, %factor57
- %sub14 = add i32 %sub13, %factor58
- %sub15 = add i32 %sub14, %factor59
- %sub16 = add i32 %sub15, %factor60
- %add = add i32 %sub16, %factor61
- ret i32 %add
-}
-
-; Leaf function with stack allocation and saving/restoring of non-volatile
-; registers.
-define i32 @foo4(i32 %a, i32 %b, i32 %c, i32 %d, i32 %e, i32 %f, i32 %g, i32 %h) #0 {
-entry:
- %stack = alloca [128 x i32], align 4
- %0 = zext i32 %a to i64
- br label %for.body
-
-for.cond2.preheader: ; preds = %for.body
- %1 = sext i32 %f to i64
- br label %for.body4
-
-for.body: ; preds = %for.body, %entry
- %indvars.iv22 = phi i64 [ 0, %entry ], [ %indvars.iv.next23, %for.body ]
- %2 = add nsw i64 %indvars.iv22, %0
- %arrayidx = getelementptr inbounds [128 x i32]* %stack, i64 0, i64 %indvars.iv22
- %3 = trunc i64 %2 to i32
- store i32 %3, i32* %arrayidx, align 4, !tbaa !0
- %indvars.iv.next23 = add i64 %indvars.iv22, 1
- %lftr.wideiv25 = trunc i64 %indvars.iv.next23 to i32
- %exitcond26 = icmp eq i32 %lftr.wideiv25, 128
- br i1 %exitcond26, label %for.cond2.preheader, label %for.body
-
-for.body4: ; preds = %for.body4, %for.cond2.preheader
- %indvars.iv = phi i64 [ 0, %for.cond2.preheader ], [ %indvars.iv.next, %for.body4 ]
- %z1.018 = phi i32 [ 0, %for.cond2.preheader ], [ %add8, %for.body4 ]
- %4 = add nsw i64 %indvars.iv, %1
- %arrayidx7 = getelementptr inbounds [128 x i32]* %stack, i64 0, i64 %4
- %5 = load i32* %arrayidx7, align 4, !tbaa !0
- %add8 = add nsw i32 %5, %z1.018
- %indvars.iv.next = add i64 %indvars.iv, 1
- %lftr.wideiv = trunc i64 %indvars.iv.next to i32
- %exitcond = icmp eq i32 %lftr.wideiv, 128
- br i1 %exitcond, label %for.end11, label %for.body4
-
-for.end11: ; preds = %for.body4
- ret i32 %add8
-}
-
-attributes #0 = { readnone "target-cpu"="cyclone" }
-attributes #1 = { "target-cpu"="cyclone" }
-
-!0 = metadata !{metadata !"int", metadata !1}
-!1 = metadata !{metadata !"omnipotent char", metadata !2}
-!2 = metadata !{metadata !"Simple C/C++ TBAA"}
-
-; CHECK: .section __LD,__compact_unwind,regular,debug
-; CHECK: .quad _foo1 ; Range Start
-; CHECK: .long 33554432 ; Compact Unwind Encoding: 0x2000000
-; CHECK: .quad _foo2 ; Range Start
-; CHECK: .long 33591296 ; Compact Unwind Encoding: 0x2009000
-; CHECK: .quad _foo3 ; Range Start
-; CHECK: .long 33570831 ; Compact Unwind Encoding: 0x200400f
-; CHECK: .quad _foo4 ; Range Start
-; CHECK: .long 33689616 ; Compact Unwind Encoding: 0x2021010
--- /dev/null
+// RUN: llvm-mc -triple=arm64-apple-ios -filetype=obj < %s | \
+// RUN: llvm-readobj -sections -section-relocations -section-data | \
+// RUN: FileCheck %s
+//
+// rdar://13070556
+
+// FIXME: we should add compact unwind support to llvm-objdump -unwind-info
+
+// CHECK: Section {
+// CHECK: Index: 1
+// CHECK-NEXT: Name: __compact_unwind
+// CHECK-NEXT: Segment: __LD
+// CHECK-NEXT: Address:
+// CHECK-NEXT: Size:
+// CHECK-NEXT: Offset:
+// CHECK-NEXT: Alignment:
+// CHECK-NEXT: RelocationOffset:
+// CHECK-NEXT: RelocationCount:
+// CHECK-NEXT: Type:
+// CHECK-NEXT: Attributes [
+// CHECK-NEXT: Debug
+// CHECK-NEXT: ]
+// CHECK-NEXT: Reserved1:
+// CHECK-NEXT: Reserved2:
+// CHECK-NEXT: Relocations [
+// CHECK-NEXT: 0x60 0 3 0 ARM64_RELOC_UNSIGNED 0 -
+// CHECK-NEXT: 0x40 0 3 0 ARM64_RELOC_UNSIGNED 0 -
+// CHECK-NEXT: 0x20 0 3 0 ARM64_RELOC_UNSIGNED 0 -
+// CHECK-NEXT: 0x0 0 3 0 ARM64_RELOC_UNSIGNED 0 -
+// CHECK-NEXT: ]
+// CHECK-NEXT: SectionData (
+// CHECK-NEXT: 0000: 00000000 00000000 08000000 00000002
+// CHECK-NEXT: 0010: 00000000 00000000 00000000 00000000
+// CHECK-NEXT: 0020: 08000000 00000000 40000000 00900002
+// CHECK-NEXT: 0030: 00000000 00000000 00000000 00000000
+// CHECK-NEXT: 0040: 48000000 00000000 D4000000 0F400002
+// CHECK-NEXT: 0050: 00000000 00000000 00000000 00000000
+// CHECK-NEXT: 0060: 1C010000 00000000 54000000 10100202
+// CHECK-NEXT: 0070: 00000000 00000000 00000000 00000000
+// CHECK-NEXT: )
+// CHECK-NEXT: }
+
+ .section __TEXT,__text,regular,pure_instructions
+ .globl _foo1
+ .align 2
+_foo1: ; @foo1
+ .cfi_startproc
+; BB#0: ; %entry
+ add w0, w0, #42 ; =#42
+ ret
+ .cfi_endproc
+
+ .globl _foo2
+ .align 2
+_foo2: ; @foo2
+ .cfi_startproc
+; BB#0: ; %entry
+ sub sp, sp, #144 ; =#144
+Ltmp2:
+ .cfi_def_cfa_offset 144
+ mov x9, xzr
+ mov x8, sp
+LBB1_1: ; %for.body
+ ; =>This Inner Loop Header: Depth=1
+ str w9, [x8, x9, lsl #2]
+ add x9, x9, #1 ; =#1
+ cmp w9, #36 ; =#36
+ b.ne LBB1_1
+; BB#2:
+ mov x9, xzr
+ mov w0, wzr
+LBB1_3: ; %for.body4
+ ; =>This Inner Loop Header: Depth=1
+ ldr w10, [x8, x9]
+ add x9, x9, #4 ; =#4
+ cmp w9, #144 ; =#144
+ add w0, w10, w0
+ b.ne LBB1_3
+; BB#4: ; %for.end9
+ add sp, sp, #144 ; =#144
+ ret
+ .cfi_endproc
+
+ .globl _foo3
+ .align 2
+_foo3: ; @foo3
+ .cfi_startproc
+; BB#0: ; %entry
+ stp x26, x25, [sp, #-64]!
+ stp x24, x23, [sp, #16]
+ stp x22, x21, [sp, #32]
+ stp x20, x19, [sp, #48]
+Ltmp3:
+ .cfi_def_cfa_offset 64
+Ltmp4:
+ .cfi_offset w19, -16
+Ltmp5:
+ .cfi_offset w20, -24
+Ltmp6:
+ .cfi_offset w21, -32
+Ltmp7:
+ .cfi_offset w22, -40
+Ltmp8:
+ .cfi_offset w23, -48
+Ltmp9:
+ .cfi_offset w24, -56
+Ltmp10:
+ .cfi_offset w25, -64
+Ltmp11:
+ .cfi_offset w26, -72
+Lloh0:
+ adrp x8, _bar@GOTPAGE
+Lloh1:
+ ldr x8, [x8, _bar@GOTPAGEOFF]
+ ldr w9, [x8]
+ ldr w10, [x8]
+ ldr w11, [x8]
+ ldr w12, [x8]
+ ldr w13, [x8]
+ ldr w14, [x8]
+ ldr w15, [x8]
+ ldr w16, [x8]
+ ldr w17, [x8]
+ ldr w0, [x8]
+ ldr w19, [x8]
+ ldr w20, [x8]
+ ldr w21, [x8]
+ ldr w22, [x8]
+ ldr w23, [x8]
+ ldr w24, [x8]
+ ldr w25, [x8]
+ ldr w8, [x8]
+ add w9, w10, w9
+ add w9, w9, w11
+ add w9, w9, w12
+ add w9, w9, w13
+ add w9, w9, w14
+ add w9, w9, w15
+ add w9, w9, w16
+ add w9, w9, w17
+ add w9, w9, w0
+ add w9, w9, w19
+ add w9, w9, w20
+ add w9, w9, w21
+ add w9, w9, w22
+ add w9, w9, w23
+ add w9, w9, w24
+ add w9, w9, w25
+ sub w8, w8, w9
+ sub w8, w8, w7, lsl #1
+ sub w8, w8, w6, lsl #1
+ sub w8, w8, w5, lsl #1
+ sub w8, w8, w4, lsl #1
+ sub w8, w8, w3, lsl #1
+ sub w8, w8, w2, lsl #1
+ sub w0, w8, w1, lsl #1
+ ldp x20, x19, [sp, #48]
+ ldp x22, x21, [sp, #32]
+ ldp x24, x23, [sp, #16]
+ ldp x26, x25, [sp], #64
+ ret
+ .loh AdrpLdrGot Lloh0, Lloh1
+ .cfi_endproc
+
+ .globl _foo4
+ .align 2
+_foo4: ; @foo4
+ .cfi_startproc
+; BB#0: ; %entry
+ stp x28, x27, [sp, #-16]!
+ sub sp, sp, #512 ; =#512
+Ltmp12:
+ .cfi_def_cfa_offset 528
+Ltmp13:
+ .cfi_offset w27, -16
+Ltmp14:
+ .cfi_offset w28, -24
+ ; kill: W0<def> W0<kill> X0<def>
+ mov x9, xzr
+ ubfx x10, x0, #0, #32
+ mov x8, sp
+LBB3_1: ; %for.body
+ ; =>This Inner Loop Header: Depth=1
+ add w11, w10, w9
+ str w11, [x8, x9, lsl #2]
+ add x9, x9, #1 ; =#1
+ cmp w9, #128 ; =#128
+ b.ne LBB3_1
+; BB#2: ; %for.cond2.preheader
+ mov x9, xzr
+ mov w0, wzr
+ add x8, x8, w5, sxtw #2
+LBB3_3: ; %for.body4
+ ; =>This Inner Loop Header: Depth=1
+ ldr w10, [x8, x9]
+ add x9, x9, #4 ; =#4
+ cmp w9, #512 ; =#512
+ add w0, w10, w0
+ b.ne LBB3_3
+; BB#4: ; %for.end11
+ add sp, sp, #512 ; =#512
+ ldp x28, x27, [sp], #16
+ ret
+ .cfi_endproc
+
+ .comm _bar,4,2 ; @bar
+
+.subsections_via_symbols
projects / oota-llvm.git / commitdiff