llvm-6502/test/CodeGen/Thumb2/thumb2-mulhi.ll
Evan Cheng b620724e61 Fix Thumb2 function call isel. Thumb1 and Thumb2 should share the same
instructions for calls since BL and BLX are always 32-bit long and BX is always
16-bit long.

Also, we should be using BLX to call external function stubs.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77756 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-01 00:16:10 +00:00

21 lines
970 B
LLVM

; RUN: llvm-as < %s | llc -march=thumb -mattr=+thumb2 | grep smmul | count 1
; RUN: llvm-as < %s | llc -march=thumb -mattr=+thumb2 | grep umull | count 1
define i32 @smulhi(i32 %x, i32 %y) {
%tmp = sext i32 %x to i64 ; <i64> [#uses=1]
%tmp1 = sext i32 %y to i64 ; <i64> [#uses=1]
%tmp2 = mul i64 %tmp1, %tmp ; <i64> [#uses=1]
%tmp3 = lshr i64 %tmp2, 32 ; <i64> [#uses=1]
%tmp3.upgrd.1 = trunc i64 %tmp3 to i32 ; <i32> [#uses=1]
ret i32 %tmp3.upgrd.1
}
define i32 @umulhi(i32 %x, i32 %y) {
%tmp = zext i32 %x to i64 ; <i64> [#uses=1]
%tmp1 = zext i32 %y to i64 ; <i64> [#uses=1]
%tmp2 = mul i64 %tmp1, %tmp ; <i64> [#uses=1]
%tmp3 = lshr i64 %tmp2, 32 ; <i64> [#uses=1]
%tmp3.upgrd.2 = trunc i64 %tmp3 to i32 ; <i32> [#uses=1]
ret i32 %tmp3.upgrd.2
}