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aca2998f14
with a temporary assertion and adjust the various test cases. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@197224 91177308-0d34-0410-b5e6-96231b3b80d8
73 lines
1.6 KiB
LLVM
73 lines
1.6 KiB
LLVM
; RUN: llc < %s -march=thumb -mcpu=arm1156t2-s -mattr=+thumb2 | FileCheck %s
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define i8 @f1(i8* %v) {
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entry:
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; CHECK-LABEL: f1:
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; CHECK: ldrb r0, [r0]
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%tmp = load i8* %v
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ret i8 %tmp
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}
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define i8 @f2(i8* %v) {
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entry:
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; CHECK-LABEL: f2:
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; CHECK: ldrb r0, [r0, #-1]
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%tmp2 = getelementptr i8* %v, i8 1023
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%tmp = load i8* %tmp2
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ret i8 %tmp
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}
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define i8 @f3(i32 %base) {
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entry:
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; CHECK-LABEL: f3:
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; CHECK: mov.w r1, #4096
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; CHECK: ldrb r0, [r0, r1]
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%tmp1 = add i32 %base, 4096
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%tmp2 = inttoptr i32 %tmp1 to i8*
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%tmp3 = load i8* %tmp2
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ret i8 %tmp3
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}
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define i8 @f4(i32 %base) {
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entry:
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; CHECK-LABEL: f4:
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; CHECK: ldrb r0, [r0, #-128]
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%tmp1 = sub i32 %base, 128
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%tmp2 = inttoptr i32 %tmp1 to i8*
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%tmp3 = load i8* %tmp2
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ret i8 %tmp3
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}
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define i8 @f5(i32 %base, i32 %offset) {
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entry:
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; CHECK-LABEL: f5:
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; CHECK: ldrb r0, [r0, r1]
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%tmp1 = add i32 %base, %offset
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%tmp2 = inttoptr i32 %tmp1 to i8*
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%tmp3 = load i8* %tmp2
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ret i8 %tmp3
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}
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define i8 @f6(i32 %base, i32 %offset) {
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entry:
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; CHECK-LABEL: f6:
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; CHECK: ldrb.w r0, [r0, r1, lsl #2]
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%tmp1 = shl i32 %offset, 2
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%tmp2 = add i32 %base, %tmp1
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%tmp3 = inttoptr i32 %tmp2 to i8*
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%tmp4 = load i8* %tmp3
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ret i8 %tmp4
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}
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define i8 @f7(i32 %base, i32 %offset) {
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entry:
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; CHECK-LABEL: f7:
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; CHECK: lsrs r1, r1, #2
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; CHECK: ldrb r0, [r0, r1]
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%tmp1 = lshr i32 %offset, 2
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%tmp2 = add i32 %base, %tmp1
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%tmp3 = inttoptr i32 %tmp2 to i8*
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%tmp4 = load i8* %tmp3
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ret i8 %tmp4
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}
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