Index: llvm/trunk/lib/Target/ARM/ARMISelDAGToDAG.cpp =================================================================== --- llvm/trunk/lib/Target/ARM/ARMISelDAGToDAG.cpp +++ llvm/trunk/lib/Target/ARM/ARMISelDAGToDAG.cpp @@ -452,8 +452,10 @@ if (Subtarget->isThumb()) { if (Val <= 255) return 1; // MOV if (Subtarget->hasV6T2Ops() && - (Val <= 0xffff || ARM_AM::getT2SOImmValSplatVal(Val) != -1)) - return 1; // MOVW + (Val <= 0xffff || // MOV + ARM_AM::getT2SOImmVal(Val) != -1 || // MOVW + ARM_AM::getT2SOImmVal(~Val) != -1)) // MVN + return 1; if (Val <= 510) return 2; // MOV + ADDi8 if (~Val <= 255) return 2; // MOV + MVN if (ARM_AM::isThumbImmShiftedVal(Val)) return 2; // MOV + LSL Index: llvm/trunk/test/CodeGen/ARM/subtarget-no-movt.ll =================================================================== --- llvm/trunk/test/CodeGen/ARM/subtarget-no-movt.ll +++ llvm/trunk/test/CodeGen/ARM/subtarget-no-movt.ll @@ -1,99 +1,97 @@ -; RUN: llc -mcpu=cortex-a8 -relocation-model=static %s -o - | FileCheck -check-prefix=NO-OPTION %s -; RUN: llc -mcpu=cortex-a8 -relocation-model=static %s -o - -mattr=-no-movt | FileCheck -check-prefix=USE-MOVT %s -; RUN: llc -mcpu=cortex-a8 -relocation-model=static %s -o - -mattr=+no-movt | FileCheck -check-prefix=NO-USE-MOVT %s -; RUN: llc -mcpu=cortex-a8 -relocation-model=static %s -o - -O0 | FileCheck -check-prefix=NO-OPTION-O0 %s -; RUN: llc -mcpu=cortex-a8 -relocation-model=static %s -o - -O0 -mattr=-no-movt | FileCheck -check-prefix=USE-MOVT-O0 %s -; RUN: llc -mcpu=cortex-a8 -relocation-model=static %s -o - -O0 -mattr=+no-movt | FileCheck -check-prefix=NO-USE-MOVT-O0 %s +; 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-LABEL: {{_?}}foo0 -; NO-OPTION: ldr [[R0:r[0-9]+]], [[L0:.*]] -; NO-OPTION: [[L0]]: -; NO-OPTION: .long 2296237089 - -; NO-OPTION-O0-LABEL: {{_?}}foo0 -; NO-OPTION-O0: ldr [[R0:r[0-9]+]], [[L0:.*]] -; NO-OPTION-O0: [[L0]]: -; NO-OPTION-O0: .long 2296237089 - -; USE-MOVT-LABEL: {{_?}}foo0 -; USE-MOVT: movw [[R0:r[0-9]+]], #52257 -; USE-MOVT: movt [[R0]], #35037 - -; USE-MOVT-O0-LABEL: {{_?}}foo0 -; USE-MOVT-O0: movw [[R0:r[0-9]+]], #52257 -; USE-MOVT-O0: movt [[R0]], #35037 - -; NO-USE-MOVT-LABEL: {{_?}}foo0 -; NO-USE-MOVT: ldr [[R0:r[0-9]+]], [[L0:.*]] -; NO-USE-MOVT: [[L0]]: -; NO-USE-MOVT: .long 2296237089 - -; NO-USE-MOVT-O0-LABEL: {{_?}}foo0 -; NO-USE-MOVT-O0: ldr [[R0:r[0-9]+]], [[L0:.*]] -; NO-USE-MOVT-O0: [[L0]]: -; NO-USE-MOVT-O0: .long 2296237089 +; 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-LABEL: {{_?}}foo1 -; NO-OPTION: movw [[R0:r[0-9]+]], #52257 -; NO-OPTION: movt [[R0]], #35037 - -; NO-OPTION-O0-LABEL: {{_?}}foo1 -; NO-OPTION-O0: movw [[R0:r[0-9]+]], #52257 -; NO-OPTION-O0: movt [[R0]], #35037 - -; USE-MOVT-LABEL: {{_?}}foo1 -; USE-MOVT: movw [[R0:r[0-9]+]], #52257 -; USE-MOVT: movt [[R0]], #35037 - -; USE-MOVT-O0-LABEL: {{_?}}foo1 -; USE-MOVT-O0: movw [[R0:r[0-9]+]], #52257 -; USE-MOVT-O0: movt [[R0]], #35037 - -; NO-USE-MOVT-LABEL: {{_?}}foo1 -; NO-USE-MOVT: ldr [[R0:r[0-9]+]], [[L0:.*]] -; NO-USE-MOVT: [[L0]]: -; NO-USE-MOVT: .long 2296237089 - -; NO-USE-MOVT-O0-LABEL: {{_?}}foo1 -; NO-USE-MOVT-O0: ldr [[R0:r[0-9]+]], [[L0:.*]] -; NO-USE-MOVT-O0: [[L0]]: -; NO-USE-MOVT-O0: .long 2296237089 +; 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-LABEL: {{_?}}foo2 +; NO-OPTION-COMMON-LABEL: {{_?}}foo2 ; NO-OPTION: mov.w [[R0:r[0-9]+]], #-536813568 - -; USE-MOVT-LABEL: {{_?}}foo2 -; USE-MOVT: mov.w [[R0:r[0-9]+]], #-536813568 - -; NO-USE-MOVT-LABEL: {{_?}}foo2 -; NO-USE-MOVT: mov.w [[R0:r[0-9]+]], #-536813568 - -; NO-OPTION-O0-LABEL: {{_?}}foo2 ; NO-OPTION-O0: movw [[R0:r[0-9]+]], #57344 ; NO-OPTION-O0: movt [[R0]], #57344 -; USE-MOVT-O0-LABEL: {{_?}}foo2 -; USE-MOVT-O0: movw [[R0:r[0-9]+]], #57344 -; USE-MOVTT-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-O0-LABEL: {{_?}}foo2 +; 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) +