forked from OSchip/llvm-project
565 lines
14 KiB
LLVM
565 lines
14 KiB
LLVM
; RUN: llc -mtriple=thumbv6m-eabi %s -o - | FileCheck %s -check-prefix=CHECK -check-prefix=CHECK-T1
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; RUN: llc -mtriple=thumbv7m-eabi %s -o - | FileCheck %s -check-prefix=CHECK -check-prefix=CHECK-T2
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; Register offset
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; CHECK-LABEL: ldrsb_rr
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; CHECK: ldrsb r0, [r0, r1]
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define i32 @ldrsb_rr(i8* %p, i32 %n) {
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entry:
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%arrayidx = getelementptr inbounds i8, i8* %p, i32 %n
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%0 = load i8, i8* %arrayidx, align 1
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%conv = sext i8 %0 to i32
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ret i32 %conv
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}
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; CHECK-LABEL: ldrsh_rr
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; CHECK-T1: lsls r1, r1, #1
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; CHECK-T1: ldrsh r0, [r0, r1]
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; CHECK-T2: ldrsh.w r0, [r0, r1, lsl #1]
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define i32 @ldrsh_rr(i16* %p, i32 %n) {
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entry:
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%arrayidx = getelementptr inbounds i16, i16* %p, i32 %n
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%0 = load i16, i16* %arrayidx, align 2
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%conv = sext i16 %0 to i32
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ret i32 %conv
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}
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; CHECK-LABEL: ldrb_rr
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; CHECK: ldrb r0, [r0, r1]
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define i32 @ldrb_rr(i8* %p, i32 %n) {
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entry:
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%arrayidx = getelementptr inbounds i8, i8* %p, i32 %n
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%0 = load i8, i8* %arrayidx, align 1
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%conv = zext i8 %0 to i32
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ret i32 %conv
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}
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; CHECK-LABEL: ldrh_rr
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; CHECK-T1: lsls r1, r1, #1
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; CHECK-T1: ldrh r0, [r0, r1]
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; CHECK-T2: ldrh.w r0, [r0, r1, lsl #1]
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define i32 @ldrh_rr(i16* %p, i32 %n) {
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entry:
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%arrayidx = getelementptr inbounds i16, i16* %p, i32 %n
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%0 = load i16, i16* %arrayidx, align 2
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%conv = zext i16 %0 to i32
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ret i32 %conv
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}
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; CHECK-LABEL: ldr_rr
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; CHECK-T1: lsls r1, r1, #2
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; CHECK-T1: ldr r0, [r0, r1]
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; CHECK-T2: ldr.w r0, [r0, r1, lsl #2]
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define i32 @ldr_rr(i32* %p, i32 %n) {
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entry:
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%arrayidx = getelementptr inbounds i32, i32* %p, i32 %n
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%0 = load i32, i32* %arrayidx, align 4
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ret i32 %0
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}
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; CHECK-LABEL: strb_rr
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; CHECK: strb r2, [r0, r1]
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define void @strb_rr(i8* %p, i32 %n, i32 %x) {
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entry:
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%conv = trunc i32 %x to i8
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%arrayidx = getelementptr inbounds i8, i8* %p, i32 %n
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store i8 %conv, i8* %arrayidx, align 1
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ret void
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}
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; CHECK-LABEL: strh_rr
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; CHECK-T1: lsls r1, r1, #1
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; CHECK-T1: strh r2, [r0, r1]
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; CHECK-T2: strh.w r2, [r0, r1, lsl #1]
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define void @strh_rr(i16* %p, i32 %n, i32 %x) {
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entry:
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%conv = trunc i32 %x to i16
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%arrayidx = getelementptr inbounds i16, i16* %p, i32 %n
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store i16 %conv, i16* %arrayidx, align 2
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ret void
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}
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; CHECK-LABEL: str_rr
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; CHECK-T1: lsls r1, r1, #2
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; CHECK-T1: str r2, [r0, r1]
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; CHECK-T2: str.w r2, [r0, r1, lsl #2]
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define void @str_rr(i32* %p, i32 %n, i32 %x) {
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entry:
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%arrayidx = getelementptr inbounds i32, i32* %p, i32 %n
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store i32 %x, i32* %arrayidx, align 4
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ret void
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}
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; Immediate offset of zero
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; CHECK-LABEL: ldrsb_ri_zero
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; CHECK-T1: ldrb r0, [r0]
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; CHECK-T1: sxtb r0, r0
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; CHECK-T2: ldrsb.w r0, [r0]
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define i32 @ldrsb_ri_zero(i8* %p) {
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entry:
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%0 = load i8, i8* %p, align 1
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%conv = sext i8 %0 to i32
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ret i32 %conv
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}
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; CHECK-LABEL: ldrsh_ri_zero
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; CHECK-T1: ldrh r0, [r0]
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; CHECK-T1: sxth r0, r0
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; CHECK-T2: ldrsh.w r0, [r0]
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define i32 @ldrsh_ri_zero(i16* %p) {
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entry:
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%0 = load i16, i16* %p, align 2
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%conv = sext i16 %0 to i32
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ret i32 %conv
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}
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; CHECK-LABEL: ldrb_ri_zero
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; CHECK: ldrb r0, [r0]
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define i32 @ldrb_ri_zero(i8* %p) {
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entry:
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%0 = load i8, i8* %p, align 1
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%conv = zext i8 %0 to i32
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ret i32 %conv
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}
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; CHECK-LABEL: ldrh_ri_zero
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; CHECK: ldrh r0, [r0]
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define i32 @ldrh_ri_zero(i16* %p) {
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entry:
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%0 = load i16, i16* %p, align 2
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%conv = zext i16 %0 to i32
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ret i32 %conv
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}
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; CHECK-LABEL: ldr_ri_zero
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; CHECK: ldr r0, [r0]
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define i32 @ldr_ri_zero(i32* %p) {
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entry:
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%0 = load i32, i32* %p, align 4
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ret i32 %0
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}
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; CHECK-LABEL: strb_ri_zero
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; CHECK: strb r1, [r0]
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define void @strb_ri_zero(i8* %p, i32 %x) {
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entry:
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%conv = trunc i32 %x to i8
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store i8 %conv, i8* %p, align 1
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ret void
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}
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; CHECK-LABEL: strh_ri_zero
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; CHECK: strh r1, [r0]
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define void @strh_ri_zero(i16* %p, i32 %x) {
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entry:
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%conv = trunc i32 %x to i16
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store i16 %conv, i16* %p, align 2
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ret void
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}
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; CHECK-LABEL: str_ri_zero
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; CHECK: str r1, [r0]
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define void @str_ri_zero(i32* %p, i32 %x) {
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entry:
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store i32 %x, i32* %p, align 4
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ret void
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}
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; Maximum Thumb-1 immediate offset
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; CHECK-LABEL: ldrsb_ri_t1_max
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; CHECK-T1: movs r1, #31
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; CHECK-T1: ldrsb r0, [r0, r1]
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; CHECK-T2: ldrsb.w r0, [r0, #31]
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define i32 @ldrsb_ri_t1_max(i8* %p) {
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entry:
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%arrayidx = getelementptr inbounds i8, i8* %p, i32 31
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%0 = load i8, i8* %arrayidx, align 1
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%conv = sext i8 %0 to i32
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ret i32 %conv
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}
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; CHECK-LABEL: ldrsh_ri_t1_max
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; CHECK-T1: movs r1, #62
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; CHECK-T1: ldrsh r0, [r0, r1]
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; CHECK-T2: ldrsh.w r0, [r0, #62]
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define i32 @ldrsh_ri_t1_max(i16* %p) {
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entry:
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%arrayidx = getelementptr inbounds i16, i16* %p, i32 31
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%0 = load i16, i16* %arrayidx, align 2
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%conv = sext i16 %0 to i32
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ret i32 %conv
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}
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; CHECK-LABEL: ldrb_ri_t1_max
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; CHECK: ldrb r0, [r0, #31]
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define i32 @ldrb_ri_t1_max(i8* %p) {
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entry:
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%arrayidx = getelementptr inbounds i8, i8* %p, i32 31
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%0 = load i8, i8* %arrayidx, align 1
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%conv = zext i8 %0 to i32
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ret i32 %conv
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}
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; CHECK-LABEL: ldrh_ri_t1_max
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; CHECK: ldrh r0, [r0, #62]
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define i32 @ldrh_ri_t1_max(i16* %p) {
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entry:
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%arrayidx = getelementptr inbounds i16, i16* %p, i32 31
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%0 = load i16, i16* %arrayidx, align 2
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%conv = zext i16 %0 to i32
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ret i32 %conv
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}
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; CHECK-LABEL: ldr_ri_t1_max
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; CHECK: ldr r0, [r0, #124]
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define i32 @ldr_ri_t1_max(i32* %p) {
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entry:
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%arrayidx = getelementptr inbounds i32, i32* %p, i32 31
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%0 = load i32, i32* %arrayidx, align 4
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ret i32 %0
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}
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; CHECK-LABEL: strb_ri_t1_max
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; CHECK: strb r1, [r0, #31]
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define void @strb_ri_t1_max(i8* %p, i32 %x) {
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entry:
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%conv = trunc i32 %x to i8
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%arrayidx = getelementptr inbounds i8, i8* %p, i32 31
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store i8 %conv, i8* %arrayidx, align 1
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ret void
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}
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; CHECK-LABEL: strh_ri_t1_max
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; CHECK: strh r1, [r0, #62]
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define void @strh_ri_t1_max(i16* %p, i32 %x) {
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entry:
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%conv = trunc i32 %x to i16
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%arrayidx = getelementptr inbounds i16, i16* %p, i32 31
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store i16 %conv, i16* %arrayidx, align 2
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ret void
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}
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; CHECK-LABEL: str_ri_t1_max
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; CHECK: str r1, [r0, #124]
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define void @str_ri_t1_max(i32* %p, i32 %x) {
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entry:
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%arrayidx = getelementptr inbounds i32, i32* %p, i32 31
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store i32 %x, i32* %arrayidx, align 4
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ret void
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}
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; One past maximum Thumb-1 immediate offset
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; CHECK-LABEL: ldrsb_ri_t1_too_big
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; CHECK-T1: movs r1, #32
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; CHECK-T1: ldrsb r0, [r0, r1]
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; CHECK-T2: ldrsb.w r0, [r0, #32]
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define i32 @ldrsb_ri_t1_too_big(i8* %p) {
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entry:
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%arrayidx = getelementptr inbounds i8, i8* %p, i32 32
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%0 = load i8, i8* %arrayidx, align 1
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%conv = sext i8 %0 to i32
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ret i32 %conv
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}
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; CHECK-LABEL: ldrsh_ri_t1_too_big
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; CHECK-T1: movs r1, #64
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; CHECK-T1: ldrsh r0, [r0, r1]
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; CHECK-T2: ldrsh.w r0, [r0, #64]
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define i32 @ldrsh_ri_t1_too_big(i16* %p) {
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entry:
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%arrayidx = getelementptr inbounds i16, i16* %p, i32 32
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%0 = load i16, i16* %arrayidx, align 2
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%conv = sext i16 %0 to i32
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ret i32 %conv
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}
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; CHECK-LABEL: ldrb_ri_t1_too_big
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; CHECK-T1: movs r1, #32
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; CHECK-T1: ldrb r0, [r0, r1]
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; CHECK-T2: ldrb.w r0, [r0, #32]
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define i32 @ldrb_ri_t1_too_big(i8* %p) {
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entry:
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%arrayidx = getelementptr inbounds i8, i8* %p, i32 32
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%0 = load i8, i8* %arrayidx, align 1
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%conv = zext i8 %0 to i32
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ret i32 %conv
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}
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; CHECK-LABEL: ldrh_ri_t1_too_big
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; CHECK-T1: movs r1, #64
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; CHECK-T1: ldrh r0, [r0, r1]
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; CHECK-T2: ldrh.w r0, [r0, #64]
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define i32 @ldrh_ri_t1_too_big(i16* %p) {
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entry:
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%arrayidx = getelementptr inbounds i16, i16* %p, i32 32
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%0 = load i16, i16* %arrayidx, align 2
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%conv = zext i16 %0 to i32
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ret i32 %conv
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}
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; CHECK-LABEL: ldr_ri_t1_too_big
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; CHECK-T1: movs r1, #128
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; CHECK-T1: ldr r0, [r0, r1]
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; CHECK-T2: ldr.w r0, [r0, #128]
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define i32 @ldr_ri_t1_too_big(i32* %p) {
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entry:
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%arrayidx = getelementptr inbounds i32, i32* %p, i32 32
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%0 = load i32, i32* %arrayidx, align 4
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ret i32 %0
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}
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; CHECK-LABEL: strb_ri_t1_too_big
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; CHECK-T1: movs r2, #32
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; CHECK-T1: strb r1, [r0, r2]
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; CHECK-T2: strb.w r1, [r0, #32]
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define void @strb_ri_t1_too_big(i8* %p, i32 %x) {
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entry:
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%conv = trunc i32 %x to i8
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%arrayidx = getelementptr inbounds i8, i8* %p, i32 32
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store i8 %conv, i8* %arrayidx, align 1
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ret void
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}
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; CHECK-LABEL: strh_ri_t1_too_big
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; CHECK-T1: movs r2, #64
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; CHECK-T1: strh r1, [r0, r2]
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; CHECK-T2: strh.w r1, [r0, #64]
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define void @strh_ri_t1_too_big(i16* %p, i32 %x) {
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entry:
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%conv = trunc i32 %x to i16
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%arrayidx = getelementptr inbounds i16, i16* %p, i32 32
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store i16 %conv, i16* %arrayidx, align 2
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ret void
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}
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; CHECK-LABEL: str_ri_t1_too_big
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; CHECK-T1: movs r2, #128
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; CHECK-T1: str r1, [r0, r2]
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; CHECK-T2: str.w r1, [r0, #128]
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define void @str_ri_t1_too_big(i32* %p, i32 %x) {
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entry:
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%arrayidx = getelementptr inbounds i32, i32* %p, i32 32
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store i32 %x, i32* %arrayidx, align 4
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ret void
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}
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; Maximum Thumb-2 immediate offset
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; CHECK-LABEL: ldrsb_ri_t2_max
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; CHECK-T1: ldr r1, .LCP
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; CHECK-T1: ldrsb r0, [r0, r1]
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; CHECK-T2: ldrsb.w r0, [r0, #4095]
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define i32 @ldrsb_ri_t2_max(i8* %p) {
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entry:
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%add.ptr = getelementptr inbounds i8, i8* %p, i32 4095
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%0 = load i8, i8* %add.ptr, align 1
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%conv = sext i8 %0 to i32
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ret i32 %conv
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}
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; CHECK-LABEL: ldrsh_ri_t2_max
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; CHECK-T1: ldr r1, .LCP
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; CHECK-T1: ldrsh r0, [r0, r1]
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; CHECK-T2: ldrsh.w r0, [r0, #4095]
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define i32 @ldrsh_ri_t2_max(i8* %p) {
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entry:
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%add.ptr = getelementptr inbounds i8, i8* %p, i32 4095
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%0 = bitcast i8* %add.ptr to i16*
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%1 = load i16, i16* %0, align 2
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%conv = sext i16 %1 to i32
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ret i32 %conv
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}
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; CHECK-LABEL: ldrb_ri_t2_max
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; CHECK-T1: ldr r1, .LCP
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; CHECK-T1: ldrb r0, [r0, r1]
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; CHECK-T2: ldrb.w r0, [r0, #4095]
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define i32 @ldrb_ri_t2_max(i8* %p) {
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entry:
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%add.ptr = getelementptr inbounds i8, i8* %p, i32 4095
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%0 = load i8, i8* %add.ptr, align 1
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%conv = zext i8 %0 to i32
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ret i32 %conv
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}
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; CHECK-LABEL: ldrh_ri_t2_max
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; CHECK-T1: ldr r1, .LCP
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; CHECK-T1: ldrh r0, [r0, r1]
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; CHECK-T2: ldrh.w r0, [r0, #4095]
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define i32 @ldrh_ri_t2_max(i8* %p) {
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entry:
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%add.ptr = getelementptr inbounds i8, i8* %p, i32 4095
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%0 = bitcast i8* %add.ptr to i16*
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%1 = load i16, i16* %0, align 2
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%conv = zext i16 %1 to i32
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ret i32 %conv
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}
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; CHECK-LABEL: ldr_ri_t2_max
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; CHECK-T1: ldr r1, .LCP
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; CHECK-T1: ldr r0, [r0, r1]
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; CHECK-T2: ldr.w r0, [r0, #4095]
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define i32 @ldr_ri_t2_max(i8* %p) {
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entry:
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%add.ptr = getelementptr inbounds i8, i8* %p, i32 4095
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%0 = bitcast i8* %add.ptr to i32*
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%1 = load i32, i32* %0, align 4
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ret i32 %1
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}
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; CHECK-LABEL: strb_ri_t2_max
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; CHECK-T1: ldr r2, .LCP
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; CHECK-T1: strb r1, [r0, r2]
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; CHECK-T2: strb.w r1, [r0, #4095]
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define void @strb_ri_t2_max(i8* %p, i32 %x) {
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entry:
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%conv = trunc i32 %x to i8
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%add.ptr = getelementptr inbounds i8, i8* %p, i32 4095
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store i8 %conv, i8* %add.ptr, align 1
|
|
ret void
|
|
}
|
|
|
|
; CHECK-LABEL: strh_ri_t2_max
|
|
; CHECK-T1: ldr r2, .LCP
|
|
; CHECK-T1: strh r1, [r0, r2]
|
|
; CHECK-T2: strh.w r1, [r0, #4095]
|
|
define void @strh_ri_t2_max(i8* %p, i32 %x) {
|
|
entry:
|
|
%conv = trunc i32 %x to i16
|
|
%add.ptr = getelementptr inbounds i8, i8* %p, i32 4095
|
|
%0 = bitcast i8* %add.ptr to i16*
|
|
store i16 %conv, i16* %0, align 2
|
|
ret void
|
|
}
|
|
|
|
; CHECK-LABEL: str_ri_t2_max
|
|
; CHECK-T1: ldr r2, .LCP
|
|
; CHECK-T1: str r1, [r0, r2]
|
|
; CHECK-T2: str.w r1, [r0, #4095]
|
|
define void @str_ri_t2_max(i8* %p, i32 %x) {
|
|
entry:
|
|
%add.ptr = getelementptr inbounds i8, i8* %p, i32 4095
|
|
%0 = bitcast i8* %add.ptr to i32*
|
|
store i32 %x, i32* %0, align 4
|
|
ret void
|
|
}
|
|
|
|
|
|
; One past maximum Thumb-2 immediate offset
|
|
|
|
; CHECK-LABEL: ldrsb_ri_t2_too_big
|
|
; CHECK-T1: movs r1, #1
|
|
; CHECK-T1: lsls r1, r1, #12
|
|
; CHECK-T2: mov.w r1, #4096
|
|
; CHECK: ldrsb r0, [r0, r1]
|
|
define i32 @ldrsb_ri_t2_too_big(i8* %p) {
|
|
entry:
|
|
%add.ptr = getelementptr inbounds i8, i8* %p, i32 4096
|
|
%0 = load i8, i8* %add.ptr, align 1
|
|
%conv = sext i8 %0 to i32
|
|
ret i32 %conv
|
|
}
|
|
|
|
; CHECK-LABEL: ldrsh_ri_t2_too_big
|
|
; CHECK-T1: movs r1, #1
|
|
; CHECK-T1: lsls r1, r1, #12
|
|
; CHECK-T2: mov.w r1, #4096
|
|
; CHECK: ldrsh r0, [r0, r1]
|
|
define i32 @ldrsh_ri_t2_too_big(i8* %p) {
|
|
entry:
|
|
%add.ptr = getelementptr inbounds i8, i8* %p, i32 4096
|
|
%0 = bitcast i8* %add.ptr to i16*
|
|
%1 = load i16, i16* %0, align 2
|
|
%conv = sext i16 %1 to i32
|
|
ret i32 %conv
|
|
}
|
|
|
|
; CHECK-LABEL: ldrb_ri_t2_too_big
|
|
; CHECK-T1: movs r1, #1
|
|
; CHECK-T1: lsls r1, r1, #12
|
|
; CHECK-T2: mov.w r1, #4096
|
|
; CHECK: ldrb r0, [r0, r1]
|
|
define i32 @ldrb_ri_t2_too_big(i8* %p) {
|
|
entry:
|
|
%add.ptr = getelementptr inbounds i8, i8* %p, i32 4096
|
|
%0 = load i8, i8* %add.ptr, align 1
|
|
%conv = zext i8 %0 to i32
|
|
ret i32 %conv
|
|
}
|
|
|
|
; CHECK-LABEL: ldrh_ri_t2_too_big
|
|
; CHECK-T1: movs r1, #1
|
|
; CHECK-T1: lsls r1, r1, #12
|
|
; CHECK-T2: mov.w r1, #4096
|
|
; CHECK: ldrh r0, [r0, r1]
|
|
define i32 @ldrh_ri_t2_too_big(i8* %p) {
|
|
entry:
|
|
%add.ptr = getelementptr inbounds i8, i8* %p, i32 4096
|
|
%0 = bitcast i8* %add.ptr to i16*
|
|
%1 = load i16, i16* %0, align 2
|
|
%conv = zext i16 %1 to i32
|
|
ret i32 %conv
|
|
}
|
|
|
|
; CHECK-LABEL: ldr_ri_t2_too_big
|
|
; CHECK-T1: movs r1, #1
|
|
; CHECK-T1: lsls r1, r1, #12
|
|
; CHECK-T2: mov.w r1, #4096
|
|
; CHECK: ldr r0, [r0, r1]
|
|
define i32 @ldr_ri_t2_too_big(i8* %p) {
|
|
entry:
|
|
%add.ptr = getelementptr inbounds i8, i8* %p, i32 4096
|
|
%0 = bitcast i8* %add.ptr to i32*
|
|
%1 = load i32, i32* %0, align 4
|
|
ret i32 %1
|
|
}
|
|
|
|
; CHECK-LABEL: strb_ri_t2_too_big
|
|
; CHECK-T1: movs r2, #1
|
|
; CHECK-T1: lsls r2, r2, #12
|
|
; CHECK-T2: mov.w r2, #4096
|
|
; CHECK: strb r1, [r0, r2]
|
|
define void @strb_ri_t2_too_big(i8* %p, i32 %x) {
|
|
entry:
|
|
%conv = trunc i32 %x to i8
|
|
%add.ptr = getelementptr inbounds i8, i8* %p, i32 4096
|
|
store i8 %conv, i8* %add.ptr, align 1
|
|
ret void
|
|
}
|
|
|
|
; CHECK-LABEL: strh_ri_t2_too_big
|
|
; CHECK-T1: movs r2, #1
|
|
; CHECK-T1: lsls r2, r2, #12
|
|
; CHECK-T2: mov.w r2, #4096
|
|
; CHECK: strh r1, [r0, r2]
|
|
define void @strh_ri_t2_too_big(i8* %p, i32 %x) {
|
|
entry:
|
|
%conv = trunc i32 %x to i16
|
|
%add.ptr = getelementptr inbounds i8, i8* %p, i32 4096
|
|
%0 = bitcast i8* %add.ptr to i16*
|
|
store i16 %conv, i16* %0, align 2
|
|
ret void
|
|
}
|
|
|
|
; CHECK-LABEL: str_ri_t2_too_big
|
|
; CHECK-T1: movs r2, #1
|
|
; CHECK-T1: lsls r2, r2, #12
|
|
; CHECK-T2: mov.w r2, #4096
|
|
; CHECK: str r1, [r0, r2]
|
|
define void @str_ri_t2_too_big(i8* %p, i32 %x) {
|
|
entry:
|
|
%add.ptr = getelementptr inbounds i8, i8* %p, i32 4096
|
|
%0 = bitcast i8* %add.ptr to i32*
|
|
store i32 %x, i32* %0, align 4
|
|
ret void
|
|
}
|