[llvm] r183275 - Cortex-R5 can issue Thumb2 integer division instructions.
Evan Cheng
evan.cheng at apple.com
Tue Jun 4 15:52:09 PDT 2013
Author: evancheng
Date: Tue Jun 4 17:52:09 2013
New Revision: 183275
URL: http://llvm.org/viewvc/llvm-project?rev=183275&view=rev
Log:
Cortex-R5 can issue Thumb2 integer division instructions.
Modified:
llvm/trunk/lib/Target/ARM/ARM.td
llvm/trunk/test/CodeGen/ARM/div.ll
llvm/trunk/test/CodeGen/Thumb2/div.ll
Modified: llvm/trunk/lib/Target/ARM/ARM.td
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/ARM/ARM.td?rev=183275&r1=183274&r2=183275&view=diff
==============================================================================
--- llvm/trunk/lib/Target/ARM/ARM.td (original)
+++ llvm/trunk/lib/Target/ARM/ARM.td Tue Jun 4 17:52:09 2013
@@ -177,7 +177,8 @@ def ProcA15 : SubtargetFeature<"a15
FeatureTrustZone]>;
def ProcR5 : SubtargetFeature<"r5", "ARMProcFamily", "CortexR5",
"Cortex-R5 ARM processors",
- [FeatureSlowFPBrcc, FeatureHWDivARM,
+ [FeatureSlowFPBrcc,
+ FeatureHWDiv, FeatureHWDivARM,
FeatureHasSlowFPVMLx,
FeatureAvoidPartialCPSR,
FeatureT2XtPk]>;
Modified: llvm/trunk/test/CodeGen/ARM/div.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/ARM/div.ll?rev=183275&r1=183274&r2=183275&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/ARM/div.ll (original)
+++ llvm/trunk/test/CodeGen/ARM/div.ll Tue Jun 4 17:52:09 2013
@@ -1,13 +1,14 @@
; RUN: llc < %s -mtriple=arm-apple-ios -mcpu=cortex-a8 | FileCheck %s -check-prefix=CHECK-ARM
-; RUN: llc < %s -mtriple=arm-apple-ios -mcpu=swift | FileCheck %s -check-prefix=CHECK-SWIFT
+; RUN: llc < %s -mtriple=arm-apple-ios -mcpu=swift | FileCheck %s -check-prefix=CHECK-HWDIV
+; RUN: llc < %s -mtriple=arm-apple-ios -mcpu=cortex-r5 | FileCheck %s -check-prefix=CHECK-HWDIV
define i32 @f1(i32 %a, i32 %b) {
entry:
; CHECK-ARM: f1
; CHECK-ARM: __divsi3
-; CHECK-SWIFT: f1
-; CHECK-SWIFT: sdiv
+; CHECK-HWDIV: f1
+; CHECK-HWDIV: sdiv
%tmp1 = sdiv i32 %a, %b ; <i32> [#uses=1]
ret i32 %tmp1
}
@@ -17,8 +18,8 @@ entry:
; CHECK-ARM: f2
; CHECK-ARM: __udivsi3
-; CHECK-SWIFT: f2
-; CHECK-SWIFT: udiv
+; CHECK-HWDIV: f2
+; CHECK-HWDIV: udiv
%tmp1 = udiv i32 %a, %b ; <i32> [#uses=1]
ret i32 %tmp1
}
@@ -28,9 +29,9 @@ entry:
; CHECK-ARM: f3
; CHECK-ARM: __modsi3
-; CHECK-SWIFT: f3
-; CHECK-SWIFT: sdiv
-; CHECK-SWIFT: mls
+; CHECK-HWDIV: f3
+; CHECK-HWDIV: sdiv
+; CHECK-HWDIV: mls
%tmp1 = srem i32 %a, %b ; <i32> [#uses=1]
ret i32 %tmp1
}
@@ -40,9 +41,9 @@ entry:
; CHECK-ARM: f4
; CHECK-ARM: __umodsi3
-; CHECK-SWIFT: f4
-; CHECK-SWIFT: udiv
-; CHECK-SWIFT: mls
+; CHECK-HWDIV: f4
+; CHECK-HWDIV: udiv
+; CHECK-HWDIV: mls
%tmp1 = urem i32 %a, %b ; <i32> [#uses=1]
ret i32 %tmp1
}
Modified: llvm/trunk/test/CodeGen/Thumb2/div.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/Thumb2/div.ll?rev=183275&r1=183274&r2=183275&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/Thumb2/div.ll (original)
+++ llvm/trunk/test/CodeGen/Thumb2/div.ll Tue Jun 4 17:52:09 2013
@@ -3,7 +3,9 @@
; RUN: llc < %s -march=thumb -mcpu=cortex-m3 -mattr=+thumb2 \
; RUN: | FileCheck %s -check-prefix=CHECK-THUMBV7M
; RUN: llc < %s -march=thumb -mcpu=swift \
-; RUN: | FileCheck %s -check-prefix=CHECK-SWIFT-T2
+; RUN: | FileCheck %s -check-prefix=CHECK-HWDIV
+; RUN: llc < %s -march=thumb -mcpu=cortex-r5 \
+; RUN: | FileCheck %s -check-prefix=CHECK-HWDIV
define i32 @f1(i32 %a, i32 %b) {
entry:
@@ -11,8 +13,8 @@ entry:
; CHECK-THUMB: __divsi3
; CHECK-THUMBV7M: f1
; CHECK-THUMBV7M: sdiv
-; CHECK-SWIFT-T2: f1
-; CHECK-SWIFT-T2: sdiv
+; CHECK-HWDIV: f1
+; CHECK-HWDIV: sdiv
%tmp1 = sdiv i32 %a, %b ; <i32> [#uses=1]
ret i32 %tmp1
}
@@ -23,8 +25,8 @@ entry:
; CHECK-THUMB: __udivsi3
; CHECK-THUMBV7M: f2
; CHECK-THUMBV7M: udiv
-; CHECK-SWIFT-T2: f2
-; CHECK-SWIFT-T2: udiv
+; CHECK-HWDIV: f2
+; CHECK-HWDIV: udiv
%tmp1 = udiv i32 %a, %b ; <i32> [#uses=1]
ret i32 %tmp1
}
@@ -35,8 +37,8 @@ entry:
; CHECK-THUMB: __modsi3
; CHECK-THUMBV7M: f3
; CHECK-THUMBV7M: sdiv
-; CHECK-SWIFT-T2: f3
-; CHECK-SWIFT-T2: sdiv
+; CHECK-HWDIV: f3
+; CHECK-HWDIV: sdiv
%tmp1 = srem i32 %a, %b ; <i32> [#uses=1]
ret i32 %tmp1
}
@@ -47,8 +49,8 @@ entry:
; CHECK-THUMB: __umodsi3
; CHECK-THUMBV7M: f4
; CHECK-THUMBV7M: udiv
-; CHECK-SWIFT-T2: f4
-; CHECK-SWIFT-T2: udiv
+; CHECK-HWDIV: f4
+; CHECK-HWDIV: udiv
%tmp1 = urem i32 %a, %b ; <i32> [#uses=1]
ret i32 %tmp1
}
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