forked from OSchip/llvm-project
[UpdateTestChecks] Add basic BPF triple handling
Working on Issue #57872 - its really useful to be able to autogenerate checks
This commit is contained in:
Simon Pilgrim
parent
3fe2db8cf9
commit
8727248b79
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@ -1,70 +1,109 @@
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; RUN: llc < %s -march=bpfel | FileCheck %s
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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc < %s -mtriple=bpfel-- | FileCheck %s
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@foo_printf.fmt = private unnamed_addr constant [9 x i8] c"hello \0A\00", align 1
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; Function Attrs: nounwind readnone uwtable
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define i32 @foo_int(i32 %a, i32 %b) #0 {
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; CHECK-LABEL: foo_int:
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; CHECK: # %bb.0:
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; CHECK-NEXT: r0 = r2
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; CHECK-NEXT: r0 += r1
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; CHECK-NEXT: exit
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%1 = add nsw i32 %b, %a
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ret i32 %1
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; CHECK-LABEL: foo_int:
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; CHECK: r0 += r1
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}
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; Function Attrs: nounwind readnone uwtable
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define signext i8 @foo_char(i8 signext %a, i8 signext %b) #0 {
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; CHECK-LABEL: foo_char:
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; CHECK: # %bb.0:
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; CHECK-NEXT: r0 = r2
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; CHECK-NEXT: r0 += r1
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; CHECK-NEXT: r0 <<= 56
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; CHECK-NEXT: r0 s>>= 56
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; CHECK-NEXT: exit
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%1 = add i8 %b, %a
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ret i8 %1
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; CHECK-LABEL: foo_char:
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; CHECK: r0 += r1
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; CHECK: r0 <<= 56
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; CHECK: r0 s>>= 56
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}
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; Function Attrs: nounwind readnone uwtable
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define i64 @foo_ll(i64 %a, i64 %b, i64 %c) #0 {
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; CHECK-LABEL: foo_ll:
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; CHECK: # %bb.0:
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; CHECK-NEXT: r0 = r2
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; CHECK-NEXT: r0 += r1
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; CHECK-NEXT: r0 -= r3
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; CHECK-NEXT: exit
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%1 = add nsw i64 %b, %a
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%2 = sub i64 %1, %c
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ret i64 %2
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; CHECK-LABEL: foo_ll:
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; CHECK: r0 = r2
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; CHECK: r0 += r1
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; CHECK: r0 -= r3
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}
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; Function Attrs: nounwind uwtable
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define void @foo_call2(i32 %a, i32 %b) #1 {
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; CHECK-LABEL: foo_call2:
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; CHECK: # %bb.0:
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; CHECK-NEXT: r3 = r1
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; CHECK-NEXT: r2 <<= 56
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; CHECK-NEXT: r2 s>>= 56
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; CHECK-NEXT: r1 = r2
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; CHECK-NEXT: r2 = r3
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; CHECK-NEXT: call foo_2arg
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; CHECK-NEXT: exit
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%1 = trunc i32 %b to i8
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tail call void @foo_2arg(i8 signext %1, i32 %a) #3
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ret void
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; CHECK-LABEL: foo_call2:
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; CHECK: r2 <<= 56
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; CHECK: r2 s>>= 56
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; CHECK: r1 = r2
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}
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declare void @foo_2arg(i8 signext, i32) #2
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; Function Attrs: nounwind uwtable
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define i32 @foo_call5(i8 signext %a, i16 signext %b, i32 %c, i64 %d) #1 {
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; CHECK-LABEL: foo_call5:
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; CHECK: # %bb.0:
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; CHECK-NEXT: call bar
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; CHECK-NEXT: r0 = 0
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; CHECK-NEXT: exit
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%1 = tail call i32 @bar(i8 signext %a, i16 signext %b, i32 %c, i64 %d) #3
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ret i32 0
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; CHECK-LABEL: foo_call5:
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; CHECK: call bar
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}
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declare i32 @bar(i8 signext, i16 signext, i32, i64) #2
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; Function Attrs: nounwind readnone uwtable
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define signext i8 @foo_cmp(i8 signext %a, i8 signext %b) #0 {
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; CHECK-LABEL: foo_cmp:
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; CHECK: # %bb.0:
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; CHECK-NEXT: r0 = r1
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; CHECK-NEXT: if r2 s> r0 goto LBB5_2
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; CHECK-NEXT: # %bb.1:
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; CHECK-NEXT: r0 = r2
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; CHECK-NEXT: LBB5_2:
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; CHECK-NEXT: exit
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%1 = icmp slt i8 %a, %b
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%a.b = select i1 %1, i8 %a, i8 %b
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ret i8 %a.b
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; CHECK-LABEL: foo_cmp:
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; CHECK: if r2 s> r0
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}
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; Function Attrs: nounwind readnone uwtable
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define i32 @foo_muldiv(i8 signext %a, i16 signext %b, i32 %c, i64 %d) #0 {
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; CHECK-LABEL: foo_muldiv:
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; CHECK: # %bb.0:
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; CHECK-NEXT: r0 = r2
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; CHECK-NEXT: if r1 == 0 goto LBB6_2
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; CHECK-NEXT: # %bb.1:
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; CHECK-NEXT: r0 *= r3
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; CHECK-NEXT: goto LBB6_3
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; CHECK-NEXT: LBB6_2:
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; CHECK-NEXT: r3 <<= 32
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; CHECK-NEXT: r3 >>= 32
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; CHECK-NEXT: r4 <<= 32
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; CHECK-NEXT: r4 >>= 32
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; CHECK-NEXT: r4 /= r3
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; CHECK-NEXT: r0 = r4
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; CHECK-NEXT: LBB6_3:
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; CHECK-NEXT: exit
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%1 = icmp eq i8 %a, 0
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br i1 %1, label %5, label %2
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@ -81,31 +120,40 @@ define i32 @foo_muldiv(i8 signext %a, i16 signext %b, i32 %c, i64 %d) #0 {
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; <label>:8 ; preds = %5, %2
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%.0 = phi i32 [ %4, %2 ], [ %7, %5 ]
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ret i32 %.0
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; CHECK-LABEL: foo_muldiv:
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; CHECK: r0 *= r3
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}
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; Function Attrs: nounwind uwtable
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define i32 @foo_optimized() #1 {
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; CHECK-LABEL: foo_optimized:
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; CHECK: # %bb.0:
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; CHECK-NEXT: r1 = 1
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; CHECK-NEXT: r2 = 2
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; CHECK-NEXT: r3 = 3
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; CHECK-NEXT: r4 = 4
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; CHECK-NEXT: r5 = 5
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; CHECK-NEXT: call manyarg
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; CHECK-NEXT: exit
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%1 = tail call i32 @manyarg(i32 1, i32 2, i32 3, i32 4, i32 5) #3
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ret i32 %1
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; CHECK-LABEL: foo_optimized:
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; CHECK: r1 = 1
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; CHECK: r2 = 2
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; CHECK: r3 = 3
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; CHECK: r4 = 4
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; CHECK: r5 = 5
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}
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declare i32 @manyarg(i32, i32, i32, i32, i32) #2
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; Function Attrs: nounwind uwtable
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define void @foo_printf() #1 {
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; CHECK-LABEL: foo_printf:
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; CHECK: # %bb.0:
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; CHECK-NEXT: r1 = 0
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; CHECK-NEXT: *(u8 *)(r10 - 8) = r1
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; CHECK-NEXT: r1 = 729618802566522216 ll
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; CHECK-NEXT: *(u64 *)(r10 - 16) = r1
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; CHECK-NEXT: r1 = r10
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; CHECK-NEXT: r1 += -16
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; CHECK-NEXT: call printf
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; CHECK-NEXT: exit
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%fmt = alloca [9 x i8], align 1
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%1 = getelementptr inbounds [9 x i8], [9 x i8]* %fmt, i64 0, i64 0
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call void @llvm.memcpy.p0i8.p0i8.i64(i8* %1, i8* getelementptr inbounds ([9 x i8], [9 x i8]* @foo_printf.fmt, i64 0, i64 0), i64 9, i1 false)
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; CHECK-LABEL: foo_printf:
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; CHECK: r1 = 729618802566522216 ll
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%2 = call i32 (i8*, ...) @printf(i8* %1) #3
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ret void
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}
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@ -47,6 +47,13 @@ ASM_FUNCTION_AMDGPU_RE = re.compile(
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r'^\s*(\.Lfunc_end[0-9]+:\n|\.section)',
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flags=(re.M | re.S))
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ASM_FUNCTION_BPF_RE = re.compile(
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r'^_?(?P<func>[^:]+):[ \t]*#+[ \t]*@"?(?P=func)"?\n'
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r'(?:[ \t]+.cfi_startproc\n|.seh_proc[^\n]+\n)?' # drop optional cfi
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r'(?P<body>.*?)\s*'
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r'.Lfunc_end[0-9]+:\n',
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flags=(re.M | re.S))
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ASM_FUNCTION_HEXAGON_RE = re.compile(
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r'^_?(?P<func>[^:]+):[ \t]*//[ \t]*@"?(?P=func)"?\n[^:]*?'
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r'(?P<body>.*?)\n' # (body of the function)
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@ -292,6 +299,16 @@ def scrub_asm_arm_eabi(asm, args):
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asm = common.SCRUB_TRAILING_WHITESPACE_RE.sub(r'', asm)
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return asm
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def scrub_asm_bpf(asm, args):
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# Scrub runs of whitespace out of the assembly, but leave the leading
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# whitespace in place.
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asm = common.SCRUB_WHITESPACE_RE.sub(r' ', asm)
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# Expand the tabs used for indentation.
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asm = string.expandtabs(asm, 2)
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# Strip trailing whitespace.
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asm = common.SCRUB_TRAILING_WHITESPACE_RE.sub(r'', asm)
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return asm
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def scrub_asm_hexagon(asm, args):
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# Scrub runs of whitespace out of the assembly, but leave the leading
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# whitespace in place.
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@ -461,6 +478,9 @@ def get_run_handler(triple):
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'aarch64': (scrub_asm_arm_eabi, ASM_FUNCTION_AARCH64_RE),
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'aarch64-apple-darwin': (scrub_asm_arm_eabi, ASM_FUNCTION_AARCH64_DARWIN_RE),
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'aarch64-apple-ios': (scrub_asm_arm_eabi, ASM_FUNCTION_AARCH64_DARWIN_RE),
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'bpf': (scrub_asm_bpf, ASM_FUNCTION_BPF_RE),
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'bpfel': (scrub_asm_bpf, ASM_FUNCTION_BPF_RE),
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'bpfeb': (scrub_asm_bpf, ASM_FUNCTION_BPF_RE),
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'hexagon': (scrub_asm_hexagon, ASM_FUNCTION_HEXAGON_RE),
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'r600': (scrub_asm_amdgpu, ASM_FUNCTION_AMDGPU_RE),
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'amdgcn': (scrub_asm_amdgpu, ASM_FUNCTION_AMDGPU_RE),
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