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llvm-mirror/test/CodeGen/RISCV/indirectbr.ll
lewis-revill fd94b72c2e [RISCV] Fix inaccurate annotations on PseudoBRIND
PseudoBRIND had seemingly inherited incorrect annotations denoting it as
a call instruction and that it defines X1/ra. This caused excess
save/restore code to be emitted for ra.

Differential Revision: https://reviews.llvm.org/D86286
2020-08-21 11:38:42 +01:00

33 lines
866 B
LLVM

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mtriple=riscv32 -verify-machineinstrs < %s \
; RUN: | FileCheck %s -check-prefix=RV32I
define i32 @indirectbr(i8* %target) nounwind {
; RV32I-LABEL: indirectbr:
; RV32I: # %bb.0:
; RV32I-NEXT: jr a0
; RV32I-NEXT: .LBB0_1: # %test_label
; RV32I-NEXT: mv a0, zero
; RV32I-NEXT: ret
indirectbr i8* %target, [label %test_label]
test_label:
br label %ret
ret:
ret i32 0
}
define i32 @indirectbr_with_offset(i8* %a) nounwind {
; RV32I-LABEL: indirectbr_with_offset:
; RV32I: # %bb.0:
; RV32I-NEXT: jr 1380(a0)
; RV32I-NEXT: .LBB1_1: # %test_label
; RV32I-NEXT: mv a0, zero
; RV32I-NEXT: ret
%target = getelementptr inbounds i8, i8* %a, i32 1380
indirectbr i8* %target, [label %test_label]
test_label:
br label %ret
ret:
ret i32 0
}