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30264d4391
As part of the unification of the debug format and the MIR format, print MBB references as '%bb.5'. The MIR printer prints the IR name of a MBB only for block definitions. * find . \( -name "*.mir" -o -name "*.cpp" -o -name "*.h" -o -name "*.ll" \) -type f -print0 | xargs -0 sed -i '' -E 's/BB#" << ([a-zA-Z0-9_]+)->getNumber\(\)/" << printMBBReference(*\1)/g' * find . \( -name "*.mir" -o -name "*.cpp" -o -name "*.h" -o -name "*.ll" \) -type f -print0 | xargs -0 sed -i '' -E 's/BB#" << ([a-zA-Z0-9_]+)\.getNumber\(\)/" << printMBBReference(\1)/g' * find . \( -name "*.txt" -o -name "*.s" -o -name "*.mir" -o -name "*.cpp" -o -name "*.h" -o -name "*.ll" \) -type f -print0 | xargs -0 sed -i '' -E 's/BB#([0-9]+)/%bb.\1/g' * grep -nr 'BB#' and fix Differential Revision: https://reviews.llvm.org/D40422 llvm-svn: 319665
142 lines
4.0 KiB
LLVM
142 lines
4.0 KiB
LLVM
; RUN: llc -verify-machineinstrs < %s -mtriple=aarch64-none-linux-gnu -tailcallopt | FileCheck %s
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declare fastcc void @callee_stack0()
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declare fastcc void @callee_stack8([8 x i32], i64)
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declare fastcc void @callee_stack16([8 x i32], i64, i64)
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declare extern_weak fastcc void @callee_weak()
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define fastcc void @caller_to0_from0() nounwind {
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; CHECK-LABEL: caller_to0_from0:
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; CHECK-NEXT: // %bb.
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tail call fastcc void @callee_stack0()
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ret void
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; CHECK-NEXT: b callee_stack0
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}
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define fastcc void @caller_to0_from8([8 x i32], i64) {
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; CHECK-LABEL: caller_to0_from8:
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tail call fastcc void @callee_stack0()
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ret void
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; CHECK: add sp, sp, #16
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; CHECK-NEXT: b callee_stack0
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}
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define fastcc void @caller_to8_from0() {
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; CHECK-LABEL: caller_to8_from0:
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; CHECK: sub sp, sp, #32
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; Key point is that the "42" should go #16 below incoming stack
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; pointer (we didn't have arg space to reuse).
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tail call fastcc void @callee_stack8([8 x i32] undef, i64 42)
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ret void
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; CHECK: str {{x[0-9]+}}, [sp, #16]!
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; CHECK-NEXT: b callee_stack8
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}
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define fastcc void @caller_to8_from8([8 x i32], i64 %a) {
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; CHECK-LABEL: caller_to8_from8:
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; CHECK: sub sp, sp, #16
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; Key point is that the "%a" should go where at SP on entry.
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tail call fastcc void @callee_stack8([8 x i32] undef, i64 42)
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ret void
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; CHECK: str {{x[0-9]+}}, [sp, #16]!
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; CHECK-NEXT: b callee_stack8
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}
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define fastcc void @caller_to16_from8([8 x i32], i64 %a) {
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; CHECK-LABEL: caller_to16_from8:
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; CHECK: sub sp, sp, #16
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; Important point is that the call reuses the "dead" argument space
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; above %a on the stack. If it tries to go below incoming-SP then the
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; callee will not deallocate the space, even in fastcc.
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tail call fastcc void @callee_stack16([8 x i32] undef, i64 42, i64 2)
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; CHECK: stp {{x[0-9]+}}, {{x[0-9]+}}, [sp, #16]!
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; CHECK-NEXT: b callee_stack16
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ret void
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}
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define fastcc void @caller_to8_from24([8 x i32], i64 %a, i64 %b, i64 %c) {
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; CHECK-LABEL: caller_to8_from24:
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; CHECK: sub sp, sp, #16
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; Key point is that the "%a" should go where at #16 above SP on entry.
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tail call fastcc void @callee_stack8([8 x i32] undef, i64 42)
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ret void
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; CHECK: str {{x[0-9]+}}, [sp, #32]!
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; CHECK-NEXT: b callee_stack8
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}
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define fastcc void @caller_to16_from16([8 x i32], i64 %a, i64 %b) {
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; CHECK-LABEL: caller_to16_from16:
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; CHECK: sub sp, sp, #16
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; Here we want to make sure that both loads happen before the stores:
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; otherwise either %a or %b will be wrongly clobbered.
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tail call fastcc void @callee_stack16([8 x i32] undef, i64 %b, i64 %a)
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ret void
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; CHECK: ldp {{x[0-9]+}}, {{x[0-9]+}}, [sp, #16]
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; CHECK: stp {{x[0-9]+}}, {{x[0-9]+}}, [sp, #16]!
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; CHECK-NEXT: b callee_stack16
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}
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; Weakly-referenced extern functions cannot be tail-called, as AAELF does
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; not define the behaviour of branch instructions to undefined weak symbols.
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define fastcc void @caller_weak() {
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; CHECK-LABEL: caller_weak:
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; CHECK: bl callee_weak
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tail call void @callee_weak()
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ret void
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}
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declare { [2 x float] } @get_vec2()
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define { [3 x float] } @test_add_elem() {
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; CHECK-LABEL: test_add_elem:
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; CHECK: bl get_vec2
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; CHECK: fmov s2, #1.0
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; CHECK: ret
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%call = tail call { [2 x float] } @get_vec2()
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%arr = extractvalue { [2 x float] } %call, 0
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%arr.0 = extractvalue [2 x float] %arr, 0
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%arr.1 = extractvalue [2 x float] %arr, 1
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%res.0 = insertvalue { [3 x float] } undef, float %arr.0, 0, 0
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%res.01 = insertvalue { [3 x float] } %res.0, float %arr.1, 0, 1
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%res.012 = insertvalue { [3 x float] } %res.01, float 1.000000e+00, 0, 2
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ret { [3 x float] } %res.012
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}
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declare double @get_double()
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define { double, [2 x double] } @test_mismatched_insert() {
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; CHECK-LABEL: test_mismatched_insert:
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; CHECK: bl get_double
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; CHECK: bl get_double
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; CHECK: bl get_double
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; CHECK: ret
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%val0 = call double @get_double()
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%val1 = call double @get_double()
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%val2 = tail call double @get_double()
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%res.0 = insertvalue { double, [2 x double] } undef, double %val0, 0
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%res.01 = insertvalue { double, [2 x double] } %res.0, double %val1, 1, 0
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%res.012 = insertvalue { double, [2 x double] } %res.01, double %val2, 1, 1
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ret { double, [2 x double] } %res.012
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}
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