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[mips][microMIPS] Make usage of ADDU16 and SUBU16 by code generator

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Differential Revision: http://reviews.llvm.org/D7609


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@231249 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jozef Kolek
2015-03-04 15:47:42 +00:00
parent a558232f85
commit 2e37a6f306
4 changed files with 42 additions and 3 deletions
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test/CodeGen/Mips/micromips-addu16.ll
+18
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; RUN: llc -march=mipsel -mcpu=mips32r2 -mattr=+micromips \
; RUN: -relocation-model=pic -O3 < %s | FileCheck %s
define i32 @main() {
entry:
%retval = alloca i32, align 4
%a = alloca i32, align 4
%b = alloca i32, align 4
%c = alloca i32, align 4
store i32 0, i32* %retval
%0 = load i32, i32* %b, align 4
%1 = load i32, i32* %c, align 4
%add = add nsw i32 %0, %1
store i32 %add, i32* %a, align 4
ret i32 0
}
; CHECK: addu16
test/CodeGen/Mips/micromips-subu16.ll
+18
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@@ -0,0 +1,18 @@
; RUN: llc -march=mipsel -mcpu=mips32r2 -mattr=+micromips \
; RUN: -relocation-model=pic -O3 < %s | FileCheck %s
define i32 @main() {
entry:
%retval = alloca i32, align 4
%a = alloca i32, align 4
%b = alloca i32, align 4
%c = alloca i32, align 4
store i32 0, i32* %retval
%0 = load i32, i32* %b, align 4
%1 = load i32, i32* %c, align 4
%sub = sub nsw i32 %0, %1
store i32 %sub, i32* %a, align 4
ret i32 0
}
; CHECK: subu16