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TheRock/compiler/amd-llvm/llvm/test/CodeGen/Hexagon/opt-addr-mode-large-unodelist.ll
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derek.holloway 7502bf64a4
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Flatten subprojects into a single base monorepo
2026-09-02 16:34:47 -07:00

42 lines
1.4 KiB
LLVM

; RUN: llc -mtriple=hexagon -O2 < %s | FileCheck %s
; Verify that processAddUses correctly folds an A2_addi into multiple
; store offsets. With many uses, isSafeToExtLR must be called once
; (not once per use) to avoid O(N^2) compile time.
; The A2_addi computing the base address should be eliminated; all
; stores should use the original base register with the combined offset.
; CHECK-LABEL: f0:
; CHECK-NOT: = add(r
; CHECK-DAG: memb(r0+#13)
; CHECK-DAG: memb(r0+#14)
; CHECK-DAG: memb(r0+#15)
; CHECK-DAG: memb(r0+#16)
; CHECK-DAG: memb(r0+#17)
; CHECK-DAG: memb(r0+#18)
; CHECK-DAG: memb(r0+#19)
; CHECK-DAG: memb(r0+#20)
define void @f0(ptr %base, i8 %a, i8 %b, i8 %c, i8 %d,
i8 %e, i8 %f, i8 %g, i8 %h) nounwind {
entry:
%p0 = getelementptr inbounds i8, ptr %base, i32 13
store i8 %a, ptr %p0, align 1
%p1 = getelementptr inbounds i8, ptr %p0, i32 1
store i8 %b, ptr %p1, align 1
%p2 = getelementptr inbounds i8, ptr %p0, i32 2
store i8 %c, ptr %p2, align 1
%p3 = getelementptr inbounds i8, ptr %p0, i32 3
store i8 %d, ptr %p3, align 1
%p4 = getelementptr inbounds i8, ptr %p0, i32 4
store i8 %e, ptr %p4, align 1
%p5 = getelementptr inbounds i8, ptr %p0, i32 5
store i8 %f, ptr %p5, align 1
%p6 = getelementptr inbounds i8, ptr %p0, i32 6
store i8 %g, ptr %p6, align 1
%p7 = getelementptr inbounds i8, ptr %p0, i32 7
store i8 %h, ptr %p7, align 1
ret void
}