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; Test that double word post increment load is not generated.
; REQUIRES: asserts
; REQUIRES: asserts
; RUN: llc -mtriple=hexagon -O2 -debug-only=hexagon-load-store-widening \
; RUN: %s -o 2>&1 - | FileCheck %s
; Loads with positive invalid postinc is not widened
define ptr @test1() {
; CHECK-LABEL: test1
; CHECK-NOT: memd(r{{[0-9]+}}++
entry:
%0 = load ptr, ptr null, align 4
%b = getelementptr i8, ptr %0, i32 20
%1 = load i32, ptr %0, align 8
%c = getelementptr i8, ptr %0, i32 4
%2 = load i32, ptr %c, align 4
%call55 = call i8 @foo(ptr %b, i32 %1, i32 %2)
ret ptr null
}
; Loads with negative invalid postinc is not widened
define ptr @test2() {
; CHECK-LABEL: test2
; CHECK-NOT: memd(r{{[0-9]+}}++
entry:
%0 = load ptr, ptr null, align 4
%b = getelementptr i8, ptr %0, i32 -20
%1 = load i32, ptr %0, align 8
%c = getelementptr i8, ptr %0, i32 4
%2 = load i32, ptr %c, align 4
%call55 = call i8 @foo(ptr %b, i32 %1, i32 %2)
ret ptr null
}
; Loads with valid positive postinc is widened
define ptr @test3() {
; CHECK-LABEL: test3
; CHECK: memd
entry:
%0 = load ptr, ptr null, align 4
%b = getelementptr i8, ptr %0, i32 24
%1 = load i32, ptr %0, align 8
%c = getelementptr i8, ptr %0, i32 4
%2 = load i32, ptr %c, align 4
%call55 = call i8 @foo(ptr %b, i32 %1, i32 %2)
ret ptr null
}
; Loads with valid negative postinc is widened
define ptr @test4() {
; CHECK-LABEL: test4
; CHECK: memd
entry:
%0 = load ptr, ptr null, align 4
%b = getelementptr i8, ptr %0, i32 -24
%1 = load i32, ptr %0, align 8
%c = getelementptr i8, ptr %0, i32 4
%2 = load i32, ptr %c, align 4
%call55 = call i8 @foo(ptr %b, i32 %1, i32 %2)
ret ptr null
}
declare i8 @foo(ptr, i32, i32)
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