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llvm-mirror/test/CodeGen/Thumb2/thumb2-mul.ll
Jim Grosbach 4ff2fb2fbc Thumb2 size reduction fix for tied operands of tMUL.
The tied source operand of tMUL is the second source operand, not the
first like every other two-address thumb instruction. Special case it
in the size reduction pass to make sure we create the tMUL instruction
properly.

llvm-svn: 151315
2012-02-24 00:33:36 +00:00

27 lines
751 B
LLVM

; RUN: llc < %s -march=thumb -mattr=+thumb2 | FileCheck %s
define i32 @f1(i32 %a, i32 %b, i32 %c) {
; CHECK: f1:
; CHECK: muls r0, r1, r0
%tmp = mul i32 %a, %b
ret i32 %tmp
}
%struct.CMPoint = type { %struct.Point, float, float, [5 x float] }
%struct.Point = type { float, float }
define %struct.CMPoint* @t1(i32 %i, i32 %j, i32 %n, %struct.CMPoint* %thePoints) nounwind readnone ssp {
entry:
; CHECK: t1:
; CHECK: mla r0, r2, r0, r1
; CHECK: add.w r0, r0, r0, lsl #3
; CHECL: add.w r0, r3, r0, lsl #2
%mul = mul i32 %n, %i
%add = add i32 %mul, %j
%0 = ptrtoint %struct.CMPoint* %thePoints to i32
%mul5 = mul i32 %add, 36
%add6 = add i32 %mul5, %0
%1 = inttoptr i32 %add6 to %struct.CMPoint*
ret %struct.CMPoint* %1
}