llvm/test/CodeGen/MBlaze/imm.ll
Wesley Peck 1e8cdd599c Fix a 16-bit immediate value detection bug in the MBlaze delay slot filler.
Address more hazards in the MBlaze delay slot filler.

patch contributed by Jack Whitham!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121037 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-06 21:11:01 +00:00

71 lines
1.7 KiB
LLVM

; Ensure that all immediate values that are 32-bits or less can be loaded
; using a single instruction and that immediate values 64-bits or less can
; be loaded using two instructions.
;
; RUN: llc < %s -march=mblaze | FileCheck %s
; RUN: llc < %s -march=mblaze -mattr=+fpu | FileCheck -check-prefix=FPU %s
define i8 @retimm_i8() {
; CHECK: retimm_i8:
; CHECK: rtsd
; CHECK-NEXT: add
; FPU: retimm_i8:
; FPU: rtsd
; FPU-NEXT: add
ret i8 123
}
define i16 @retimm_i16() {
; CHECK: retimm_i16:
; CHECK: rtsd
; CHECK-NEXT: add
; FPU: retimm_i16:
; FPU: rtsd
; FPU-NEXT: add
ret i16 31212
}
define i32 @retimm_i32() {
; CHECK: retimm_i32:
; CHECK: add
; CHECK-NEXT: rtsd
; FPU: retimm_i32:
; FPU: add
; FPU-NEXT: rtsd
ret i32 2938128
}
define i64 @retimm_i64() {
; CHECK: retimm_i64:
; CHECK: add
; CHECK-NEXT: rtsd
; CHECK-NEXT: add
; FPU: retimm_i64:
; FPU: add
; FPU-NEXT: rtsd
; FPU-NEXT: add
ret i64 94581823
}
define float @retimm_float() {
; CHECK: retimm_float:
; CHECK: add
; CHECK-NEXT: rtsd
; FPU: retimm_float:
; FPU: or
; FPU-NEXT: rtsd
ret float 12.0
}
define double @retimm_double() {
; CHECK: retimm_double:
; CHECK: add
; CHECK-NEXT: add
; CHECK-NEXT: rtsd
; FPU: retimm_double:
; FPU: add
; FPU-NEXT: add
; FPU-NEXT: rtsd
ret double 598382.39283873
}