subtarget-no-movt.ll
3.21 KB
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; RUN: llc -mcpu=cortex-a8 -relocation-model=static %s -o - | \
; RUN: FileCheck -check-prefixes=CHECK,NO-OPTION,NO-OPTION-COMMON %s
; RUN: llc -mcpu=cortex-a8 -relocation-model=static %s -o - -mattr=-no-movt | \
; RUN: FileCheck -check-prefixes=CHECK,USE-MOVT,USE-MOVT-COMMON %s
; RUN: llc -mcpu=cortex-a8 -relocation-model=static %s -o - -mattr=+no-movt | \
; RUN: FileCheck -check-prefixes=CHECK,NO-USE-MOVT,NO-USE-MOVT-COMMON %s
; RUN: llc -mcpu=cortex-a8 -relocation-model=static %s -o - -O0 | \
; RUN: FileCheck -check-prefixes=CHECK,NO-OPTION-O0,NO-OPTION-COMMON %s
; RUN: llc -mcpu=cortex-a8 -relocation-model=static %s -o - -O0 -mattr=-no-movt | \
; RUN: FileCheck -check-prefixes=CHECK,USE-MOVT-O0,USE-MOVT-COMMON %s
; RUN: llc -mcpu=cortex-a8 -relocation-model=static %s -o - -O0 -mattr=+no-movt | \
; RUN: FileCheck -check-prefixes=CHECK,NO-USE-MOVT-O0,NO-USE-MOVT-COMMON %s
target triple = "thumb-apple-darwin"
; NO-OPTION-COMMON-LABEL: {{_?}}foo0
; NO-OPTION-COMMON: ldr [[R0:r[0-9]+]], [[L0:.*]]
; NO-OPTION-COMMON: [[L0]]:
; NO-OPTION-COMMON: .long 2296237089
; USE-MOVT-COMMON-LABEL: {{_?}}foo0
; USE-MOVT-COMMON: movw [[R0:r[0-9]+]], #52257
; USE-MOVT-COMMON: movt [[R0]], #35037
; NO-USE-MOVT-COMMON-LABEL: {{_?}}foo0
; NO-USE-MOVT-COMMON: ldr [[R0:r[0-9]+]], [[L0:.*]]
; NO-USE-MOVT-COMMON: [[L0]]:
; NO-USE-MOVT-COMMON: .long 2296237089
define i32 @foo0(i32 %a) #0 {
%1 = xor i32 -1998730207, %a
ret i32 %1
}
; NO-OPTION-COMMON-LABEL: {{_?}}foo1
; NO-OPTION-COMMON: movw [[R0:r[0-9]+]], #52257
; NO-OPTION-COMMON: movt [[R0]], #35037
; USE-MOVT-COMMON-LABEL: {{_?}}foo1
; USE-MOVT-COMMON: movw [[R0:r[0-9]+]], #52257
; USE-MOVT-COMMON: movt [[R0]], #35037
; NO-USE-MOVT-COMMON-LABEL: {{_?}}foo1
; NO-USE-MOVT-COMMON: ldr [[R0:r[0-9]+]], [[L0:.*]]
; NO-USE-MOVT-COMMON: [[L0]]:
; NO-USE-MOVT-COMMON: .long 2296237089
define i32 @foo1(i32 %a) {
%1 = xor i32 -1998730207, %a
ret i32 %1
}
; NO-OPTION-COMMON-LABEL: {{_?}}foo2
; NO-OPTION: mov.w [[R0:r[0-9]+]], #-536813568
; NO-OPTION-O0: movw [[R0:r[0-9]+]], #57344
; NO-OPTION-O0: movt [[R0]], #57344
; USE-MOVT-COMMON-LABEL: {{_?}}foo2
; USE-MOVT: mov.w [[R0:r[0-9]+]], #-536813568
; USE-MOVT-O0: movw [[R0:r[0-9]+]], #57344
; USE-MOVT-O0: movt [[R0]], #57344
; NO-USE-MOVT-COMMON-LABEL: {{_?}}foo2
; NO-USE-MOVT: mov.w [[R0:r[0-9]+]], #-536813568
; NO-USE-MOVT-O0: ldr [[R0:r[0-9]+]], [[L0:.*]]
; NO-USE-MOVT-O0: [[L0]]:
; NO-USE-MOVT-O0: .long 3758153728 @ 0xe000e000
define i32 @foo2() {
%1 = load i32, i32* inttoptr (i32 -536813568 to i32*) ; load from 0xe000e000
ret i32 %1
}
attributes #0 = { "target-features"="+no-movt" }
define hidden i32 @no_litpool() minsize optsize {
; CHECK-LABEL: no_litpool:
; CHECK: mov.w r{{.}}, #65536
; CHECK: mov.w r{{.}}, #-134217728
; CHECK: mvn r{{.}}, #-134217728
entry:
%call0 = tail call i32 @eat_const(i32 65536)
%call1 = tail call i32 @eat_const(i32 -134217728)
%call2 = tail call i32 @eat_const(i32 134217727)
ret i32 %call2
}
define hidden i32 @litpool() minsize optsize {
; CHECK-LABEL: litpool:
; CHECK: ldr r0, {{.*}}LCPI{{.*}}
; CHECK-NEXT: b.w {{.*}}eat_const
entry:
%call1 = tail call i32 @eat_const(i32 8388601)
ret i32 %call1
}
declare dso_local i32 @eat_const(i32)