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llvm-mirror/test/CodeGen/SPARC/analyze-branch.ll
Francis Visoiu Mistrih 30264d4391 [CodeGen] Unify MBB reference format in both MIR and debug output
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
2017-12-04 17:18:51 +00:00

59 lines
1.3 KiB
LLVM

; RUN: llc -mtriple=sparc-none-linux-gnu < %s | FileCheck %s
; This test checks that LLVM can do basic stripping and reapplying of branches
; to basic blocks.
declare void @test_true()
declare void @test_false()
; !0 corresponds to a branch being taken, !1 to not being takne.
!0 = !{!"branch_weights", i32 64, i32 4}
!1 = !{!"branch_weights", i32 4, i32 64}
define void @test_Bcc_fallthrough_taken(i32 %in) nounwind {
; CHECK-LABEL: test_Bcc_fallthrough_taken:
%tst = icmp eq i32 %in, 42
br i1 %tst, label %true, label %false, !prof !0
; CHECK: cmp {{%[goli][0-9]+}}, 42
; CHECK: bne [[FALSE:.LBB[0-9]+_[0-9]+]]
; CHECK-NEXT: nop
; CHECK-NEXT: ! %bb.
; CHECK-NEXT: call test_true
; CHECK: [[FALSE]]:
; CHECK: call test_false
true:
call void @test_true()
ret void
false:
call void @test_false()
ret void
}
define void @test_Bcc_fallthrough_nottaken(i32 %in) nounwind {
; CHECK-LABEL: test_Bcc_fallthrough_nottaken:
%tst = icmp eq i32 %in, 42
br i1 %tst, label %true, label %false, !prof !1
; CHECK: cmp {{%[goli][0-9]+}}, 42
; CHECK: be [[TRUE:.LBB[0-9]+_[0-9]+]]
; CHECK-NEXT: nop
; CHECK-NEXT: ! %bb.
; CHECK-NEXT: call test_false
; CHECK: [[TRUE]]:
; CHECK: call test_true
true:
call void @test_true()
ret void
false:
call void @test_false()
ret void
}