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llvm-mirror/test/CodeGen/AVR/brind.ll
Jim Lin 8b679a00b6 [AVR] Fix incorrect register state for LDRdPtr
Summary:
LDRdPtr expanded from LDWRdPtr shouldn't define its second operand(SrcReg).
The second operand is its source register.
Add -verify-machineinstrs into command line of testcases can trigger this error.

Reviewers: dylanmckay

Reviewed By: dylanmckay

Subscribers: hiraditya, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D75437
2020-03-03 17:34:54 +08:00

19 lines
579 B
LLVM

; RUN: llc -mattr=sram,eijmpcall < %s -march=avr -verify-machineinstrs | FileCheck %s
@brind.k = private unnamed_addr constant [2 x i8*] [i8* blockaddress(@brind, %return), i8* blockaddress(@brind, %b)], align 1
define i8 @brind(i8 %p) {
; CHECK-LABEL: brind:
; CHECK: ijmp
entry:
%idxprom = sext i8 %p to i16
%arrayidx = getelementptr inbounds [2 x i8*], [2 x i8*]* @brind.k, i16 0, i16 %idxprom
%s = load i8*, i8** %arrayidx
indirectbr i8* %s, [label %return, label %b]
b:
br label %return
return:
%retval.0 = phi i8 [ 4, %b ], [ 2, %entry ]
ret i8 %retval.0
}