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34 lines
615 B
LLVM
34 lines
615 B
LLVM
; RUN: llc -march=x86 < %s | FileCheck %s
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; No attributes, should not use idiv
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define i32 @test1(i32 inreg %x) {
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entry:
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%div = sdiv i32 %x, 16
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ret i32 %div
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; CHECK-LABEL: test1:
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; CHECK-NOT: idivl
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; CHECK: ret
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}
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; Has minsize (-Oz) attribute, should generate idiv
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define i32 @test2(i32 inreg %x) minsize {
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entry:
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%div = sdiv i32 %x, 16
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ret i32 %div
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; CHECK-LABEL: test2:
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; CHECK: idivl
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; CHECK: ret
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}
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; Has optsize (-Os) attribute, should not generate idiv
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define i32 @test3(i32 inreg %x) optsize {
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entry:
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%div = sdiv i32 %x, 16
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ret i32 %div
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; CHECK-LABEL: test3:
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; CHECK-NOT: idivl
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; CHECK: ret
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}
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