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; RUN: llc -mtriple=arm %s -o - | FileCheck %s
; RUN: llc -mtriple=thumbv7 %s -o - | FileCheck %s
; We ended up feeding a deleted node back to TableGen when we converted "Off *
; 410" into "(Off * 205) << 1", where the multiplication already existed in the
; DAG.
; CHECK-LABEL: addrmode_cse_mutation:
; CHECK: {{mul|muls}} [[OFFSET:r[0-9]+]], {{r[0-9]+}}, {{r[0-9]+}}
; CHECK: {{ldrb|ldrb.w}} {{r[0-9]+}}, [r0, [[OFFSET]], lsl #3]
define i32 @addrmode_cse_mutation(i8* %base, i32 %count) {
%offset = mul i32 %count, 277288
%ptr = getelementptr i8, i8* %base, i32 %offset
%val = load volatile i8, i8* %ptr
%res = mul i32 %count, 34661
ret i32 %res
}
; CHECK-LABEL: addrmode_cse_multi_use:
; CHECK-NOT: {{ldrb|ldrb.w}} {{r[0-9]+}}, [{{r[0-9]+}}, {{r[0-9]+}}, lsl #3]
define i32 @addrmode_cse_multi_use(i8* %base, i32 %count) {
%offset = mul i32 %count, 277288
%ptr = getelementptr i8, i8* %base, i32 %offset
%val = load volatile i8, i8* %ptr
%res = mul i32 %count, 34661
%res.1 = add i32 %res, %offset
ret i32 %res.1
}
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