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f2a11b35fc
We can only generate immediates up to #510 with a MOV+ADD, not #511, because there's no such instruction as add #256. Found by Oliver Stannard and csmith! llvm-svn: 272665
20 lines
588 B
LLVM
20 lines
588 B
LLVM
; RUN: llc < %s -mtriple=thumbv7-linux-gnueabi -mcpu=cortex-m0 -verify-machineinstrs | FileCheck --check-prefix CHECK-T1 %s
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; RUN: llc < %s -mtriple=thumbv7-linux-gnueabi -mcpu=cortex-m3 -verify-machineinstrs | FileCheck --check-prefix CHECK-T2 %s
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; CHECK-T1-LABEL: @mov_and_add
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; CHECK-T2-LABEL: @mov_and_add
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; CHECK-T1: movs r0, #255
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; CHECK-T1: adds r0, #12
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; CHECK-T2: movw r0, #267
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define i32 @mov_and_add() {
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ret i32 267
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}
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; CHECK-T1-LABEL: @mov_and_add2
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; CHECK-T2-LABEL: @mov_and_add2
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; CHECK-T1: ldr r0,
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; CHECK-T2: movw r0, #511
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define i32 @mov_and_add2() {
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ret i32 511
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}
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