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TheRock/compiler/amd-llvm/llvm/test/CodeGen/Mips/longbranch/long-branch-octeon.ll
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derek.holloway 7502bf64a4
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Flatten subprojects into a single base monorepo
2026-09-02 16:34:47 -07:00

106 lines
2.5 KiB
LLVM

;; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
;; Test that Octeon BBIT family of branch can be replaced by
;; the long branch expansion pass.
; RUN: llc -O3 -mtriple=mips64-octeon-linux -mcpu=octeon -force-mips-long-branch < %s -o - | FileCheck %s
define i64 @bbit1(i64 %a) nounwind {
; CHECK-LABEL: bbit1:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: bbit0 $4, 3, .LBB0_2
; CHECK-NEXT: nop
; CHECK-NEXT: # %bb.1: # %entry
; CHECK-NEXT: j .LBB0_3
; CHECK-NEXT: nop
; CHECK-NEXT: .LBB0_2: # %endif
; CHECK-NEXT: jr $ra
; CHECK-NEXT: daddiu $2, $zero, 12
; CHECK-NEXT: .LBB0_3: # %if
; CHECK-NEXT: jr $ra
; CHECK-NEXT: daddiu $2, $zero, 48
entry:
%bit = and i64 %a, 8
%res = icmp eq i64 %bit, 0
br i1 %res, label %endif, label %if
if:
ret i64 48
endif:
ret i64 12
}
define i64 @bbit132(i64 %a) nounwind {
; CHECK-LABEL: bbit132:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: bbit032 $4, 3, .LBB1_2
; CHECK-NEXT: nop
; CHECK-NEXT: # %bb.1: # %entry
; CHECK-NEXT: j .LBB1_3
; CHECK-NEXT: nop
; CHECK-NEXT: .LBB1_2: # %endif
; CHECK-NEXT: jr $ra
; CHECK-NEXT: daddiu $2, $zero, 12
; CHECK-NEXT: .LBB1_3: # %if
; CHECK-NEXT: jr $ra
; CHECK-NEXT: daddiu $2, $zero, 48
entry:
%bit = and i64 %a, 34359738368
%res = icmp eq i64 %bit, 0
br i1 %res, label %endif, label %if
if:
ret i64 48
endif:
ret i64 12
}
define i64 @bbit0(i64 %a) nounwind {
; CHECK-LABEL: bbit0:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: bbit1 $4, 3, .LBB2_2
; CHECK-NEXT: nop
; CHECK-NEXT: # %bb.1: # %entry
; CHECK-NEXT: j .LBB2_3
; CHECK-NEXT: nop
; CHECK-NEXT: .LBB2_2: # %endif
; CHECK-NEXT: jr $ra
; CHECK-NEXT: daddiu $2, $zero, 12
; CHECK-NEXT: .LBB2_3: # %if
; CHECK-NEXT: jr $ra
; CHECK-NEXT: daddiu $2, $zero, 48
entry:
%bit = and i64 %a, 8
%res = icmp ne i64 %bit, 0
br i1 %res, label %endif, label %if
if:
ret i64 48
endif:
ret i64 12
}
define i64 @bbit032(i64 %a) nounwind {
; CHECK-LABEL: bbit032:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: bbit132 $4, 3, .LBB3_2
; CHECK-NEXT: nop
; CHECK-NEXT: # %bb.1: # %entry
; CHECK-NEXT: j .LBB3_3
; CHECK-NEXT: nop
; CHECK-NEXT: .LBB3_2: # %endif
; CHECK-NEXT: jr $ra
; CHECK-NEXT: daddiu $2, $zero, 12
; CHECK-NEXT: .LBB3_3: # %if
; CHECK-NEXT: jr $ra
; CHECK-NEXT: daddiu $2, $zero, 48
entry:
%bit = and i64 %a, 34359738368
%res = icmp ne i64 %bit, 0
br i1 %res, label %endif, label %if
if:
ret i64 48
endif:
ret i64 12
}