File: mul.ll

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llvm-toolchain-4.0 1%3A4.0.1-10~deb9u2
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; RUN: llc -mtriple=thumb-eabi %s -o - | FileCheck %s

define i32 @f1(i32 %u) {
    %tmp = mul i32 %u, %u
    ret i32 %tmp
}

; CHECK: mul{{s?}}

define i32 @f2(i32 %u, i32 %v) {
    %tmp = mul i32 %u, %v
    ret i32 %tmp
}

; CHECK: mul{{s?}}

define i32 @f3(i32 %u) {
    %tmp = mul i32 %u, 5
    ret i32 %tmp
}

; CHECK: mul{{s?}}

define i32 @f4(i32 %u) {
    %tmp = mul i32 %u, 4
    ret i32 %tmp
}

; CHECK: lsl
; CHECK-NOT: mul{{s?}}
; CHECK-NOT: lsl