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31 lines
816 B
31 lines
816 B
4 months ago
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; REQUIRES: asserts
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; RUN: llc < %s -mtriple=thumbv8m.main-none-eabi -debug-only=machine-scheduler,post-RA-sched -print-before=machine-scheduler -o - 2>&1 > /dev/null | FileCheck %s
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; CHECK-LABEL: test_misched
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; Pre and post ra machine scheduling
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; CHECK: ********** MI Scheduling **********
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; CHECK: t2LDRi12
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; CHECK: Latency : 2
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; CHECK: ********** MI Scheduling **********
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; CHECK: t2LDRi12
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; CHECK: Latency : 2
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define i32 @test_misched(i32* %ptr) "target-cpu"="cortex-m33" {
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entry:
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%l = load i32, i32* %ptr
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store i32 0, i32* %ptr
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ret i32 %l
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}
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; CHECK-LABEL: test_rasched
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; CHECK: Subtarget disables post-MI-sched.
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; CHECK: ********** List Scheduling **********
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define i32 @test_rasched(i32* %ptr) {
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entry:
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%l = load i32, i32* %ptr
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store i32 0, i32* %ptr
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ret i32 %l
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}
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