forked from OSchip/llvm-project
143 lines
4.7 KiB
LLVM
143 lines
4.7 KiB
LLVM
; RUN: llc -mattr=avr6,sram < %s -march=avr -verify-machineinstrs | FileCheck %s
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define i8 @load8(i8* %x) {
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; CHECK-LABEL: load8:
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; CHECK: ld r24, {{[XYZ]}}
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%1 = load i8, i8* %x
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ret i8 %1
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}
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define i16 @load16(i16* %x) {
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; CHECK-LABEL: load16:
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; CHECK: ld r24, [[PTR:[YZ]]]
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; CHECK: ldd r25, [[PTR]]+1
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%1 = load i16, i16* %x
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ret i16 %1
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}
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define i8 @load8disp(i8* %x) {
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; CHECK-LABEL: load8disp:
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; CHECK: ldd r24, {{[YZ]}}+63
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%1 = getelementptr inbounds i8, i8* %x, i64 63
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%2 = load i8, i8* %1
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ret i8 %2
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}
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define i8 @load8nodisp(i8* %x) {
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; CHECK-LABEL: load8nodisp:
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; CHECK: movw r26, r24
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; CHECK: subi r26, 192
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; CHECK: sbci r27, 255
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; CHECK: ld r24, {{[XYZ]}}
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%1 = getelementptr inbounds i8, i8* %x, i64 64
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%2 = load i8, i8* %1
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ret i8 %2
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}
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define i16 @load16disp(i16* %x) {
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; CHECK-LABEL: load16disp:
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; CHECK: ldd r24, [[PTR:[YZ]]]+62
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; CHECK: ldd r25, [[PTR]]+63
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%1 = getelementptr inbounds i16, i16* %x, i64 31
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%2 = load i16, i16* %1
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ret i16 %2
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}
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define i16 @load16nodisp(i16* %x) {
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; CHECK-LABEL: load16nodisp:
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; CHECK: subi r24, 192
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; CHECK: sbci r25, 255
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; CHECK: movw r30, r24
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; CHECK: ld r24, [[PTR:[YZ]]]
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; CHECK: ldd r25, [[PTR]]+1
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%1 = getelementptr inbounds i16, i16* %x, i64 32
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%2 = load i16, i16* %1
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ret i16 %2
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}
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define i8 @load8postinc(i8* %x, i8 %y) {
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; CHECK-LABEL: load8postinc:
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; CHECK: ld {{.*}}, {{[XYZ]}}+
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entry:
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%tobool6 = icmp eq i8 %y, 0
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br i1 %tobool6, label %while.end, label %while.body
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while.body: ; preds = %entry, %while.body
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%r.09 = phi i8 [ %add, %while.body ], [ 0, %entry ]
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%y.addr.08 = phi i8 [ %dec, %while.body ], [ %y, %entry ]
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%x.addr.07 = phi i8* [ %incdec.ptr, %while.body ], [ %x, %entry ]
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%dec = add i8 %y.addr.08, -1
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%incdec.ptr = getelementptr inbounds i8, i8* %x.addr.07, i16 1
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%0 = load i8, i8* %x.addr.07
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%add = add i8 %0, %r.09
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%tobool = icmp eq i8 %dec, 0
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br i1 %tobool, label %while.end, label %while.body
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while.end: ; preds = %while.body, %entry
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%r.0.lcssa = phi i8 [ 0, %entry ], [ %add, %while.body ]
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ret i8 %r.0.lcssa
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}
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define i16 @load16postinc(i16* %x, i16 %y) {
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; CHECK-LABEL: load16postinc:
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; CHECK: ld {{.*}}, {{[XYZ]}}+
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; CHECK: ld {{.*}}, {{[XYZ]}}+
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entry:
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%tobool2 = icmp eq i16 %y, 0
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br i1 %tobool2, label %while.end, label %while.body
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while.body: ; preds = %entry, %while.body
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%r.05 = phi i16 [ %add, %while.body ], [ 0, %entry ]
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%y.addr.04 = phi i16 [ %dec, %while.body ], [ %y, %entry ]
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%x.addr.03 = phi i16* [ %incdec.ptr, %while.body ], [ %x, %entry ]
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%dec = add nsw i16 %y.addr.04, -1
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%incdec.ptr = getelementptr inbounds i16, i16* %x.addr.03, i16 1
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%0 = load i16, i16* %x.addr.03
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%add = add nsw i16 %0, %r.05
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%tobool = icmp eq i16 %dec, 0
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br i1 %tobool, label %while.end, label %while.body
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while.end: ; preds = %while.body, %entry
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%r.0.lcssa = phi i16 [ 0, %entry ], [ %add, %while.body ]
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ret i16 %r.0.lcssa
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}
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define i8 @load8predec(i8* %x, i8 %y) {
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; CHECK-LABEL: load8predec:
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; CHECK: ld {{.*}}, -{{[XYZ]}}
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entry:
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%tobool6 = icmp eq i8 %y, 0
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br i1 %tobool6, label %while.end, label %while.body
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while.body: ; preds = %entry, %while.body
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%r.09 = phi i8 [ %add, %while.body ], [ 0, %entry ]
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%y.addr.08 = phi i8 [ %dec, %while.body ], [ %y, %entry ]
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%x.addr.07 = phi i8* [ %incdec.ptr, %while.body ], [ %x, %entry ]
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%dec = add i8 %y.addr.08, -1
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%incdec.ptr = getelementptr inbounds i8, i8* %x.addr.07, i16 -1
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%0 = load i8, i8* %incdec.ptr
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%add = add i8 %0, %r.09
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%tobool = icmp eq i8 %dec, 0
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br i1 %tobool, label %while.end, label %while.body
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while.end: ; preds = %while.body, %entry
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%r.0.lcssa = phi i8 [ 0, %entry ], [ %add, %while.body ]
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ret i8 %r.0.lcssa
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}
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define i16 @load16predec(i16* %x, i16 %y) {
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; CHECK-LABEL: load16predec:
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; CHECK: ld {{.*}}, -{{[XYZ]}}
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; CHECK: ld {{.*}}, -{{[XYZ]}}
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entry:
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%tobool2 = icmp eq i16 %y, 0
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br i1 %tobool2, label %while.end, label %while.body
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while.body: ; preds = %entry, %while.body
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%r.05 = phi i16 [ %add, %while.body ], [ 0, %entry ]
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%y.addr.04 = phi i16 [ %dec, %while.body ], [ %y, %entry ]
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%x.addr.03 = phi i16* [ %incdec.ptr, %while.body ], [ %x, %entry ]
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%dec = add nsw i16 %y.addr.04, -1
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%incdec.ptr = getelementptr inbounds i16, i16* %x.addr.03, i16 -1
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%0 = load i16, i16* %incdec.ptr
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%add = add nsw i16 %0, %r.05
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%tobool = icmp eq i16 %dec, 0
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br i1 %tobool, label %while.end, label %while.body
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while.end: ; preds = %while.body, %entry
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%r.0.lcssa = phi i16 [ 0, %entry ], [ %add, %while.body ]
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ret i16 %r.0.lcssa
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}
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