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llvm-mirror/test/MC/Mips/sext_64_32.ll
Jack Carter 32420dd092 The define for 64 bit sign extension neglected to
initialize fields of the class that it used.

The result was nonsense code.

Before:
0000000000000000 <foo>:
   0:    00441100     0x441100
   4:    03e00008     jr    ra
   8:    00000000     nop

After:
0000000000000000 <foo>:
   0:    00041000     sll    v0,a0,0x0
   4:    03e00008     jr    ra
   8:    00000000     nop 

llvm-svn: 161377
2012-08-07 00:35:22 +00:00

16 lines
528 B
LLVM

; RUN: llc -march=mips64el -filetype=obj -mcpu=mips64r2 %s -o - | llvm-objdump -disassemble -triple mips64el - | FileCheck %s
; Sign extend from 32 to 64 was creating nonsense opcodes
; CHECK: sll ${{[0-9]+}}, ${{[0-9]+}}, 0
; ModuleID = '../sext.c'
;target datalayout = "e-p:64:64:64-i1:8:8-i8:8:32-i16:16:32-i32:32:32-i64:64:64-f32:32:32-f64:64:64-f128:128:128-v64:64:64-n32"
;target triple = "mips64el-unknown-linux"
define i64 @foo(i32 %ival) nounwind readnone {
entry:
%conv = sext i32 %ival to i64
ret i64 %conv
}