https://github.com/koachan updated
https://github.com/llvm/llvm-project/pull/135894
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koachan wrote:
Wait yeah I forgot about this, sorry sorry...
Lemme merge this~
https://github.com/llvm/llvm-project/pull/135894
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s-barannikov wrote:
Is something blocking this PR?
https://github.com/llvm/llvm-project/pull/135894
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@@ -1,70 +1,438 @@
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
-; RUN: llc < %s -mtriple=sparc -mcpu=v9 | FileCheck %s
+; RUN: llc < %s -mtriple=sparc | FileCheck %s -check-prefix=SPARC
+; RUN: llc < %s -mtriple=sparc -mattr=popc | FileCheck %s
https://github.com/koachan updated
https://github.com/llvm/llvm-project/pull/135894
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https://github.com/s-barannikov approved this pull request.
LGTM with one note
https://github.com/llvm/llvm-project/pull/135894
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@@ -1,70 +1,438 @@
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
-; RUN: llc < %s -mtriple=sparc -mcpu=v9 | FileCheck %s
+; RUN: llc < %s -mtriple=sparc | FileCheck %s -check-prefix=SPARC
+; RUN: llc < %s -mtriple=sparc -mattr=popc | FileCheck %s
https://github.com/s-barannikov edited
https://github.com/llvm/llvm-project/pull/135894
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@@ -3599,6 +3615,15 @@ bool SparcTargetLowering::isFPImmLegal(const APFloat
&Imm, EVT VT,
bool SparcTargetLowering::isCtlzFast() const { return Subtarget->isVIS3(); }
+bool SparcTargetLowering::isCheapToSpeculateCttz(Type *Ty) const {
+ // We lack native cttz, however,
+ /
@@ -3599,6 +3615,15 @@ bool SparcTargetLowering::isFPImmLegal(const APFloat
&Imm, EVT VT,
bool SparcTargetLowering::isCtlzFast() const { return Subtarget->isVIS3(); }
+bool SparcTargetLowering::isCheapToSpeculateCttz(Type *Ty) const {
+ // We lack native cttz, however,
+ /
@@ -3599,6 +3615,15 @@ bool SparcTargetLowering::isFPImmLegal(const APFloat
&Imm, EVT VT,
bool SparcTargetLowering::isCtlzFast() const { return Subtarget->isVIS3(); }
+bool SparcTargetLowering::isCheapToSpeculateCttz(Type *Ty) const {
+ // We lack native cttz, however,
+ /
https://github.com/koachan updated
https://github.com/llvm/llvm-project/pull/135894
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@@ -1,70 +1,195 @@
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
-; RUN: llc < %s -mtriple=sparc -mcpu=v9 | FileCheck %s
+; RUN: llc < %s -mtriple=sparcv9 | FileCheck %s -check-prefix=V9
+; RUN: llc < %s -mtriple=sparcv9 -mattr=popc | FileCheck %s
@@ -1,70 +1,195 @@
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
-; RUN: llc < %s -mtriple=sparc -mcpu=v9 | FileCheck %s
+; RUN: llc < %s -mtriple=sparcv9 | FileCheck %s -check-prefix=V9
+; RUN: llc < %s -mtriple=sparcv9 -mattr=popc | FileCheck %s
llvmbot wrote:
@llvm/pr-subscribers-backend-sparc
Author: Koakuma (koachan)
Changes
CTTZ can be implemented in terms of CTLZ, for which there's a native
instruction in VIS3.
Promote i32 CTTZ in that case so that the native instruction gets used.
---
Full diff: https://github.com/llvm/llv
https://github.com/koachan created
https://github.com/llvm/llvm-project/pull/135894
CTTZ can be implemented in terms of CTLZ, for which there's a native
instruction in VIS3.
Promote i32 CTTZ in that case so that the native instruction gets used.
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