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ea5a6285ae
This is generally more readable due to the way the assembler aliases work. (This causes a lot of test changes, but it's not really as scary as it looks at first glance; it's just mechanically changing a bunch of checks for orr to check for mov instead.) Differential Revision: https://reviews.llvm.org/D59720 llvm-svn: 356954
70 lines
2.0 KiB
LLVM
70 lines
2.0 KiB
LLVM
; RUN: llc < %s -mtriple=arm64-linux-gnu | FileCheck %s
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@x1 = external hidden global [2 x i64]
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@x2 = external hidden global [16777216 x i64]
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@x3 = external hidden global { [9 x i8*], [8 x i8*] }
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define i64 @f1() {
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; CHECK: f1:
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; CHECK: adrp x8, x1+16
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; CHECK: ldr x0, [x8, :lo12:x1+16]
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%l = load i64, i64* getelementptr ([2 x i64], [2 x i64]* @x1, i64 0, i64 2)
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ret i64 %l
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}
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define i64 @f2() {
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; CHECK: f2:
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; CHECK: adrp x8, x1
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; CHECK: add x8, x8, :lo12:x1
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; CHECK: ldr x0, [x8, #24]
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%l = load i64, i64* getelementptr ([2 x i64], [2 x i64]* @x1, i64 0, i64 3)
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ret i64 %l
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}
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define i64 @f3() {
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; CHECK: f3:
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; CHECK: adrp x8, x1+1
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; CHECK: add x8, x8, :lo12:x1+1
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; CHECK: ldr x0, [x8]
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%l = load i64, i64* bitcast (i8* getelementptr (i8, i8* bitcast ([2 x i64]* @x1 to i8*), i64 1) to i64*)
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ret i64 %l
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}
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define [2 x i64] @f4() {
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; CHECK: f4:
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; CHECK: adrp x8, x2+8
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; CHECK: add x8, x8, :lo12:x2+8
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; CHECK: ldp x0, x1, [x8]
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%l = load [2 x i64], [2 x i64]* bitcast (i8* getelementptr (i8, i8* bitcast ([16777216 x i64]* @x2 to i8*), i64 8) to [2 x i64]*)
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ret [2 x i64] %l
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}
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define i64 @f5() {
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; CHECK: f5:
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; CHECK: adrp x8, x2+2097144
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; CHECK: ldr x0, [x8, :lo12:x2+2097144]
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; CHECK: ret
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%l = load i64, i64* getelementptr ([16777216 x i64], [16777216 x i64]* @x2, i64 0, i64 262143)
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ret i64 %l
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}
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define i64 @f6() {
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; CHECK: f6:
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; CHECK: adrp x8, x2
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; CHECK: add x8, x8, :lo12:x2
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; CHECK: mov w9, #2097152
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; CHECK: ldr x0, [x8, x9]
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; CHECK: ret
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%l = load i64, i64* getelementptr ([16777216 x i64], [16777216 x i64]* @x2, i64 0, i64 262144)
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ret i64 %l
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}
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define i32 @f7() {
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entry:
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; CHECK: f7
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; CHECK: adrp x8, x3+108
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; CHECK: ldr w0, [x8, :lo12:x3+108]
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%l = load i32, i32* getelementptr (i32, i32* inttoptr (i64 trunc (i128 lshr (i128 bitcast (<2 x i64> <i64 undef, i64 ptrtoint (i8** getelementptr inbounds ({ [9 x i8*], [8 x i8*] }, { [9 x i8*], [8 x i8*] }* @x3, i64 0, inrange i32 1, i64 2) to i64)> to i128), i128 64) to i64) to i32*), i64 5)
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ret i32 %l
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}
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