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80ec3c2ad2
A bunch of tests failed because memory operations have been reordered. I am unsure which commit changed this behaviour as the AVR build was failing at that point with an unrelated error. This commit just reoders some of the CHECK lines in some tests to suit current llc output. llvm-svn: 300682
85 lines
2.7 KiB
LLVM
85 lines
2.7 KiB
LLVM
; RUN: llc < %s -march=avr -mattr=avr6 | FileCheck %s
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declare i16 @allocate(i16*, i16*)
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; Test taking an address of an alloca with a small offset (adiw)
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define i16 @alloca_addressof_small() {
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entry:
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; CHECK-LABEL: alloca_addressof_small:
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; Test that Y is saved
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; CHECK: push r28
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; CHECK: push r29
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; CHECK: movw r24, r28
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; CHECK: adiw r24, 17
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; CHECK: movw {{.*}}, r28
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; CHECK: adiw {{.*}}, 39
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; CHECK: movw r22, {{.*}}
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; CHECK: pop r29
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; CHECK: pop r28
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%p = alloca [18 x i16]
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%k = alloca [14 x i16]
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%arrayidx = getelementptr inbounds [14 x i16], [14 x i16]* %k, i16 0, i16 8
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%arrayidx1 = getelementptr inbounds [18 x i16], [18 x i16]* %p, i16 0, i16 5
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%call = call i16 @allocate(i16* %arrayidx, i16* %arrayidx1)
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ret i16 %call
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}
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; Test taking an address of an alloca with a big offset (subi/sbci pair)
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define i16 @alloca_addressof_big() {
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entry:
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; CHECK-LABEL: alloca_addressof_big:
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; CHECK: movw r24, r28
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; CHECK: adiw r24, 17
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; CHECK: movw r22, r28
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; CHECK: subi r22, 145
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; CHECK: sbci r23, 255
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%p = alloca [55 x i16]
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%k = alloca [14 x i16]
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%arrayidx = getelementptr inbounds [14 x i16], [14 x i16]* %k, i16 0, i16 8
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%arrayidx1 = getelementptr inbounds [55 x i16], [55 x i16]* %p, i16 0, i16 41
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%call = call i16 @allocate(i16* %arrayidx, i16* %arrayidx1)
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ret i16 %call
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}
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; Test writing to an allocated variable with a small and a big offset
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define i16 @alloca_write(i16 %x) {
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entry:
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; CHECK-LABEL: alloca_write:
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; Small offset here
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; CHECK: std Y+23, {{.*}}
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; CHECK: std Y+24, {{.*}}
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; Big offset here
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; CHECK: adiw r28, 57
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; CHECK: std Y+62, {{.*}}
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; CHECK: std Y+63, {{.*}}
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; CHECK: sbiw r28, 57
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%p = alloca [15 x i16]
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%k = alloca [14 x i16]
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%arrayidx = getelementptr inbounds [15 x i16], [15 x i16]* %p, i16 0, i16 45
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store i16 22, i16* %arrayidx
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%arrayidx1 = getelementptr inbounds [14 x i16], [14 x i16]* %k, i16 0, i16 11
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store i16 42, i16* %arrayidx1
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%arrayidx2 = getelementptr inbounds [14 x i16], [14 x i16]* %k, i16 0, i16 0
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%arrayidx3 = getelementptr inbounds [15 x i16], [15 x i16]* %p, i16 0, i16 0
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%call = call i16 @allocate(i16* %arrayidx2, i16* %arrayidx3)
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ret i16 %call
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}
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; Test writing to an allocated variable with a huge offset that cant be
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; materialized with adiw/sbiw but with a subi/sbci pair.
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define void @alloca_write_huge() {
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; CHECK-LABEL: alloca_write_huge:
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; CHECK: subi r28, 41
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; CHECK: sbci r29, 255
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; CHECK: std Y+62, {{.*}}
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; CHECK: std Y+63, {{.*}}
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; CHECK: subi r28, 215
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; CHECK: sbci r29, 0
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%k = alloca [140 x i16]
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%arrayidx = getelementptr inbounds [140 x i16], [140 x i16]* %k, i16 0, i16 138
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store i16 22, i16* %arrayidx
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%arraydecay = getelementptr inbounds [140 x i16], [140 x i16]* %k, i16 0, i16 0
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call i16 @allocate(i16* %arraydecay, i16* null)
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ret void
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}
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