using namespace llvm;
static cl::opt<bool>
-DisablePromotion("disable-type-promotion", cl::Hidden, cl::init(false),
+DisablePromotion("disable-type-promotion", cl::Hidden, cl::init(true),
cl::desc("Disable type promotion pass"));
// The goal of this pass is to enable more efficient code generation for
for (auto *I : CurrentVisited)
I->dump();
);
-
- // Check that promoting this at the IR level is most likely beneficial. It's
- // more likely if we're operating over multiple blocks and handling wrapping
- // instructions.
unsigned ToPromote = 0;
- unsigned NonFreeArgs = 0;
- SmallPtrSet<BasicBlock*, 4> Blocks;
for (auto *V : CurrentVisited) {
- if (auto *I = dyn_cast<Instruction>(V))
- Blocks.insert(I->getParent());
-
- if (Sources.count(V)) {
- if (auto *Arg = dyn_cast<Argument>(V)) {
- if (!Arg->hasZExtAttr() && !Arg->hasSExtAttr())
- ++NonFreeArgs;
- }
+ if (Sources.count(V))
continue;
- }
-
if (Sinks.count(cast<Instruction>(V)))
continue;
-
++ToPromote;
}
- // DAG optimisations should be able to handle these cases better, especially
- // for function arguments.
- if (ToPromote < 2 || (Blocks.size() == 1 && (NonFreeArgs > SafeWrap.size())))
+ if (ToPromote < 2)
return false;
Promoter->Mutate(OrigTy, PromotedWidth, CurrentVisited, Sources, Sinks,
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
-; RUN: opt -mtriple=arm -type-promotion -verify -S %s -o - | FileCheck %s
+; RUN: opt -mtriple=arm -type-promotion -verify -disable-type-promotion=false -S %s -o - | FileCheck %s
define i8 @call_with_imms(i8* %arg) {
; CHECK-LABEL: @call_with_imms(
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
-; RUN: opt -mtriple=arm -type-promotion -verify -S %s -o - | FileCheck %s
+; RUN: opt -mtriple=arm -type-promotion -verify -disable-type-promotion=false -S %s -o - | FileCheck %s
define i16 @dsp_trunc(i32 %arg0, i32 %arg1, i16* %gep0, i16* %gep1) {
; CHECK-LABEL: @dsp_trunc(
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
-; RUN: opt -mtriple=arm -type-promotion -verify -S %s -o - | FileCheck %s
+; RUN: opt -mtriple=arm -type-promotion -verify -disable-type-promotion=false -S %s -o - | FileCheck %s
define i32 @clear_structures(i8* nocapture readonly %fmt, [1 x i32] %ap.coerce, i8* %out, void (i32, i8*)* nocapture %write) {
; CHECK-LABEL: @clear_structures(
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
-; RUN: opt -mtriple=arm -type-promotion -verify -S %s -o - | FileCheck %s
+; RUN: opt -mtriple=arm -type-promotion -verify -disable-type-promotion=false -S %s -o - | FileCheck %s
define i32 @test_ult_254_inc_imm(i8 zeroext %x) {
; CHECK-LABEL: @test_ult_254_inc_imm(
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
-; RUN: opt -mtriple=arm -type-promotion -verify -S %s -o - | FileCheck %s
+; RUN: opt -mtriple=arm -type-promotion -verify -disable-type-promotion=false -S %s -o - | FileCheck %s
; Check that the arguments are extended but then nothing else is.
; This also ensures that the pass can handle loops.
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
-; RUN: opt -mtriple=arm -type-promotion -verify -S %s -o - | FileCheck %s
+; RUN: opt -mtriple=arm -type-promotion -verify -disable-type-promotion=false -S %s -o - | FileCheck %s
define void @phi_pointers(i16* %a, i16* %b, i8 zeroext %M, i8 zeroext %N) {
; CHECK-LABEL: @phi_pointers(
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
-; RUN: opt -mtriple=arm -type-promotion -verify -S %s -o - | FileCheck %s
+; RUN: opt -mtriple=arm -type-promotion -verify -disable-type-promotion=false -S %s -o - | FileCheck %s
define i8 @eq_sgt(i8* %x, i8 *%y, i8 zeroext %z) {
; CHECK-LABEL: @eq_sgt(
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
-; RUN: opt -mtriple=arm -type-promotion -verify -S %s -o - | FileCheck %s
+; RUN: opt -mtriple=arm -type-promotion -verify -disable-type-promotion=false -S %s -o - | FileCheck %s
; Test to check that ARMCodeGenPrepare doesn't optimised away sign extends.
define i16 @test_signed_load(i16* %ptr) {
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
-; RUN: opt -mtriple=arm -type-promotion -verify -S %s -o - | FileCheck %s
+; RUN: opt -mtriple=arm -type-promotion -verify -disable-type-promotion=false -S %s -o - | FileCheck %s
define void @truncate_source_phi_switch(i8* %memblock, i8* %store, i16 %arg) {
; CHECK-LABEL: @truncate_source_phi_switch(
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
-; RUN: opt -mtriple=arm -type-promotion -verify -S %s -o - | FileCheck %s
+; RUN: opt -mtriple=arm -type-promotion -verify -disable-type-promotion=false -S %s -o - | FileCheck %s
define zeroext i16 @overflow_add(i16 zeroext %a, i16 zeroext %b) {
; CHECK-LABEL: @overflow_add(