File: signed_immediates.ll

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llvm-toolchain-16 1%3A16.0.6-15~deb12u1
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; RUN: llc -march=hexagon < %s | FileCheck %s

; s4_0Imm
; CHECK: memb(r0++#-1) = r1
define ptr @foo1(ptr %a, i8 %b)  {
  store i8 %b, ptr %a
  %c = getelementptr i8, ptr %a, i32 -1
  ret ptr %c
}

; s4_1Imm
; CHECK: memh(r0++#-2) = r1
define ptr @foo2(ptr %a, i16 %b)  {
  store i16 %b, ptr %a
  %c = getelementptr i16, ptr %a, i32 -1
  ret ptr %c
}

; s4_2Imm
; CHECK: memw(r0++#-4) = r1
define ptr @foo3(ptr %a, i32 %b)  {
  store i32 %b, ptr %a
  %c = getelementptr i32, ptr %a, i32 -1
  ret ptr %c
}

; s4_3Imm
; CHECK: memd(r0++#-8) = r3:2
define ptr @foo4(ptr %a, i64 %b)  {
  store i64 %b, ptr %a
  %c = getelementptr i64, ptr %a, i32 -1
  ret ptr %c
}

; s6Ext
; CHECK: if (p0.new) memw(r0+#0) = #-1
define void @foo5(ptr %a, i1 %b) {
br i1 %b, label %x, label %y
x:
  store i32 -1, ptr %a
  ret void
y:
  ret void
}

; s10Ext
; CHECK: p0 = cmp.eq(r0,#-1)
define i1 @foo7(i32 %a) {
  %b = icmp eq i32 %a, -1
  ret i1 %b
}

; s11_0Ext
; CHECK: memb(r0+#-1) = r1
define void @foo8(ptr %a, i8 %b) {
  %c = getelementptr i8, ptr %a, i32 -1
  store i8 %b, ptr %c
  ret void
}

; s11_1Ext
; CHECK: memh(r0+#-2) = r1
define void @foo9(ptr %a, i16 %b) {
  %c = getelementptr i16, ptr %a, i32 -1
  store i16 %b, ptr %c
  ret void
}

; s11_2Ext
; CHECK: memw(r0+#-4) = r1
define void @foo10(ptr %a, i32 %b) {
  %c = getelementptr i32, ptr %a, i32 -1
  store i32 %b, ptr %c
  ret void
}

; s11_3Ext
; CHECK: memd(r0+#-8) = r3:2
define void @foo11(ptr %a, i64 %b) {
  %c = getelementptr i64, ptr %a, i32 -1
  store i64 %b, ptr %c
  ret void
}

; s12Ext
; CHECK: r1 = mux(p0,#-1,r0)
define i32 @foo12(i32 %a, i1 %b) {
  br i1 %b, label %x, label %y
x:
  ret i32 -1
y:
  ret i32 %a
}

; s16Ext
; CHECK: r0 = #-2
define i32 @foo13() {
  ret i32 -2
}