42 lines
1.1 KiB
LLVM
42 lines
1.1 KiB
LLVM
; RUN: llc -mtriple=thumbv6m-apple-macho %s -o - | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-T1
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; RUN: llc -mtriple=thumbv7m-apple-macho %s -o - | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-T2
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define i32 @test_add_i3(i1 %tst, i32 %a, i32 %b) {
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; CHECK-LABEL: test_add_i3:
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; CHECK: adds r0, {{r[0-9]+}}, #2
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%tmp = and i32 %a, -7
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%tmp1 = and i32 %b, -4
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%int = select i1 %tst, i32 %tmp, i32 %tmp1
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; Call to force %int into a register that isn't r0 so using the i3 form is a
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; good idea.
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call void @foo(i32 %int)
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%res = or i32 %int, 2
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ret i32 %res
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}
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define i32 @test_add_i8(i32 %a, i32 %b, i1 %tst) {
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; CHECK-LABEL: test_add_i8:
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; CHECK-T1: adds r0, #12
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; CHECK-T2: add.w r0, {{r[0-9]+}}, #12
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%tmp = and i32 %a, -256
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%tmp1 = and i32 %b, -512
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%int = select i1 %tst, i32 %tmp, i32 %tmp1
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%res = or i32 %int, 12
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ret i32 %res
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}
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define i32 @test_add_i12(i32 %a, i32 %b, i1 %tst) {
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; CHECK-LABEL: test_add_i12:
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; CHECK-T2: addw r0, {{r[0-9]+}}, #854
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%tmp = and i32 %a, -4096
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%tmp1 = and i32 %b, -8192
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%int = select i1 %tst, i32 %tmp, i32 %tmp1
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%res = or i32 %int, 854
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ret i32 %res
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}
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declare void @foo(i32)
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