llvm.org GIT mirror llvm / d0848a6 test / CodeGen / ARM / fast-isel-call.ll
d0848a6

Tree @d0848a6 (Download .tar.gz)

fast-isel-call.ll @d0848a6raw · history · blame

; RUN: llc < %s -O0 -fast-isel-abort -relocation-model=dynamic-no-pic -mtriple=armv7-apple-ios | FileCheck %s --check-prefix=ARM
; RUN: llc < %s -O0 -fast-isel-abort -relocation-model=dynamic-no-pic -mtriple=thumbv7-apple-ios | FileCheck %s --check-prefix=THUMB

define i32 @t0(i1 zeroext %a) nounwind {
  %1 = zext i1 %a to i32
  ret i32 %1
}

define i32 @t1(i8 signext %a) nounwind {
  %1 = sext i8 %a to i32
  ret i32 %1
}

define i32 @t2(i8 zeroext %a) nounwind {
  %1 = zext i8 %a to i32
  ret i32 %1
}

define i32 @t3(i16 signext %a) nounwind {
  %1 = sext i16 %a to i32
  ret i32 %1
}

define i32 @t4(i16 zeroext %a) nounwind {
  %1 = zext i16 %a to i32
  ret i32 %1
}

define void @foo(i8 %a, i16 %b) nounwind {
; ARM: foo
; THUMB: foo
;; Materialize i1 1
; ARM: movw r2, #1
;; zero-ext
; ARM: and r2, r2, #1
; THUMB: and r2, r2, #1
  %1 = call i32 @t0(i1 zeroext 1)
; ARM: sxtb	r2, r1
; ARM: mov r0, r2
; THUMB: sxtb	r2, r1
; THUMB: mov r0, r2
  %2 = call i32 @t1(i8 signext %a)
; ARM: uxtb	r2, r1
; ARM: mov r0, r2
; THUMB: uxtb	r2, r1
; THUMB: mov r0, r2
  %3 = call i32 @t2(i8 zeroext %a)
; ARM: sxth	r2, r1
; ARM: mov r0, r2
; THUMB: sxth	r2, r1
; THUMB: mov r0, r2
  %4 = call i32 @t3(i16 signext %b)
; ARM: uxth	r2, r1
; ARM: mov r0, r2
; THUMB: uxth	r2, r1
; THUMB: mov r0, r2
  %5 = call i32 @t4(i16 zeroext %b)

;; A few test to check materialization
;; Note: i1 1 was materialized with t1 call
; ARM: movw r1, #255
%6 = call i32 @t2(i8 zeroext 255)
; ARM: movw r1, #65535
; THUMB: movw r1, #65535
%7 = call i32 @t4(i16 zeroext 65535)
  ret void
}

define void @foo2() nounwind {
  %1 = call signext i16 @t5()
  %2 = call zeroext i16 @t6()
  %3 = call signext i8 @t7()
  %4 = call zeroext i8 @t8()
  %5 = call zeroext i1 @t9()
  ret void
}

declare signext i16 @t5();
declare zeroext i16 @t6();
declare signext i8 @t7();
declare zeroext i8 @t8();
declare zeroext i1 @t9();

define i32 @t10(i32 %argc, i8** nocapture %argv) {
entry:
; ARM: @t10
; ARM: movw r0, #0
; ARM: movw r1, #248
; ARM: movw r2, #187
; ARM: movw r3, #28
; ARM: movw r9, #40
; ARM: movw r12, #186
; ARM: uxtb r0, r0
; ARM: uxtb r1, r1
; ARM: uxtb r2, r2
; ARM: uxtb r3, r3
; ARM: uxtb r9, r9
; ARM: str r9, [sp]
; ARM: uxtb r9, r12
; ARM: str r9, [sp, #4]
; ARM: bl _bar
; THUMB: @t10
; THUMB: movs r0, #0
; THUMB: movt r0, #0
; THUMB: movs r1, #248
; THUMB: movt r1, #0
; THUMB: movs r2, #187
; THUMB: movt r2, #0
; THUMB: movs r3, #28
; THUMB: movt r3, #0
; THUMB: movw r9, #40
; THUMB: movt r9, #0
; THUMB: movw r12, #186
; THUMB: movt r12, #0
; THUMB: uxtb r0, r0
; THUMB: uxtb r1, r1
; THUMB: uxtb r2, r2
; THUMB: uxtb r3, r3
; THUMB: uxtb.w r9, r9
; THUMB: str.w r9, [sp]
; THUMB: uxtb.w r9, r12
; THUMB: str.w r9, [sp, #4]
; THUMB: bl _bar
  %call = call i32 @bar(i8 zeroext 0, i8 zeroext -8, i8 zeroext -69, i8 zeroext 28, i8 zeroext 40, i8 zeroext -70)
  ret i32 0
}

declare i32 @bar(i8 zeroext, i8 zeroext, i8 zeroext, i8 zeroext, i8 zeroext, i8 zeroext)