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llvm-mirror/test/CodeGen/SPARC/soft-mul-div.ll
James Y Knight d303a3f101 [Sparc] Added software multiplication/division feature
Added a feature to the Sparc back-end that replaces the integer multiply and
divide instructions with calls to .mul/.sdiv/.udiv. This is a step towards
having full v7 support.

Patch by: Eric Kedaigle
Differential Revision: https://reviews.llvm.org/D35500

llvm-svn: 308343
2017-07-18 19:08:38 +00:00

66 lines
1.3 KiB
LLVM

; RUN: llc -march=sparc -mcpu=v7 -O0 < %s | FileCheck %s
define i32 @test_mul32(i32 %a, i32 %b) #0 {
; CHECK-LABEL: test_mul32
; CHECK: call .umul
%m = mul i32 %a, %b
ret i32 %m
}
define i16 @test_mul16(i16 %a, i16 %b) #0 {
; CHECK-LABEL: test_mul16
; CHECK: call .umul
%m = mul i16 %a, %b
ret i16 %m
}
define i8 @test_mul8(i8 %a, i8 %b) #0 {
; CHECK-LABEL: test_mul8
; CHECK: call .umul
%m = mul i8 %a, %b
ret i8 %m
}
define i32 @test_sdiv32(i32 %a, i32 %b) #0 {
; CHECK-LABEL: test_sdiv32
; CHECK: call .div
%d = sdiv i32 %a, %b
ret i32 %d
}
define i16 @test_sdiv16(i16 %a, i16 %b) #0 {
; CHECK-LABEL: test_sdiv16
; CHECK: call .div
%d = sdiv i16 %a, %b
ret i16 %d
}
define i8 @test_sdiv8(i8 %a, i8 %b) #0 {
; CHECK-LABEL: test_sdiv8
; CHECK: call .div
%d = sdiv i8 %a, %b
ret i8 %d
}
define i32 @test_udiv32(i32 %a, i32 %b) #0 {
; CHECK-LABEL: test_udiv32
; CHECK: call .udiv
%d = udiv i32 %a, %b
ret i32 %d
}
define i16 @test_udiv16(i16 %a, i16 %b) #0 {
; CHECK-LABEL: test_udiv16
; CHECK: call .udiv
%d = udiv i16 %a, %b
ret i16 %d
}
define i8 @test_udiv8(i8 %a, i8 %b) #0 {
; CHECK-LABEL: test_udiv8
; CHECK: call .udiv
%d = udiv i8 %a, %b
ret i8 %d
}