33 lines
1.4 KiB
LLVM
33 lines
1.4 KiB
LLVM
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; RUN: llc < %s -mtriple=thumbv7 -o - | llvm-mc -triple thumbv7 --show-encoding 2>&1 | FileCheck %s --check-prefix=V7
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; RUN: llc < %s -mtriple=thumbv7 -arm-restrict-it -o - | llvm-mc -triple thumbv7 --show-encoding 2>&1 | FileCheck %s --check-prefix=V7_RESTRICT_IT
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; RUN: llc < %s -mtriple=thumbv8 -o - | llvm-mc -triple thumbv8 --show-encoding 2>&1 | FileCheck %s --check-prefix=V8
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; RUN: llc < %s -mtriple=thumbv8 -arm-no-restrict-it -o - | llvm-mc -triple thumbv8 --show-encoding 2>&1 | FileCheck %s --check-prefix=V8_NO_RESTRICT_IT
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; V7-NOT: warning
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; V7_RESTRICT_IT-NOT: warning
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; V8-NOT: warning
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; V8_NO_RESTRICT_IT: warning: deprecated instruction in IT block
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; it ge @ encoding: [0xa8,0xbf]
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; lslge.w r3, r12, lr @ encoding: [0x0c,0xfa,0x0e,0xf3] ; deprecated in ARMv8 thumb mode
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define i1 @scalar_i64_lowestbit_eq(i64 %x, i64 %y) {
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%t0 = shl i64 1, %y
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%t1 = and i64 %t0, %x
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%res = icmp eq i64 %t1, 0
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ret i1 %res
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}
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; V7-NOT: warning
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; V7_RESTRICT_IT-NOT: warning
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; V8-NOT: warning
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; V8_NO_RESTRICT_IT: warning: deprecated instruction in IT block
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; it ne @ encoding: [0x18,0xbf]
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; movne.w r0, #-1 @ encoding: [0x4f,0xf0,0xff,0x30] ; deprecated in ARMv8 thumb mode
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define i32 @icmp_eq_minus_one(i8* %ptr) {
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%load = load i8, i8* %ptr, align 1
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%conv = zext i8 %load to i32
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%cmp = icmp eq i8 %load, -1
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%ret = select i1 %cmp, i32 %conv, i32 -1
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ret i32 %ret
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}
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