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https://github.com/ldc-developers/ldc.git
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8fd69da8fb
Single functional change: always emit inbounds when computing the base pointer of a SliceExp.
91 lines
1.8 KiB
D
91 lines
1.8 KiB
D
// RUN: %ldc -c -output-ll -of=%t.ll %s && FileCheck %s < %t.ll
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struct S {
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float x, y;
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};
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extern(C): // Avoid name mangling
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// IndexExp in static array with const exp
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// CHECK-LABEL: @foo1
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int foo1(int[3] a) {
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// CHECK: getelementptr inbounds [3 x i32]
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return a[1];
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}
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// IndexExp in static array with variable exp
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// CHECK-LABEL: @foo2
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int foo2(int[3] a, int i) {
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// CHECK: getelementptr inbounds [3 x i32]
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return a[i];
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}
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// IndexExp in pointer
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// CHECK-LABEL: @foo3
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int foo3(int* p, int i) {
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// CHECK: getelementptr inbounds
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return p[i];
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}
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// PostExp in pointer
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// CHECK-LABEL: @foo4
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int foo4(int* p) {
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// CHECK: getelementptr inbounds
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return *p++;
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}
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// PreExp in pointer
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// CHECK-LABEL: @foo5
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int foo5(int* p) {
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// CHECK: getelementptr inbounds
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return *++p;
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}
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// Add offset to pointer
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// CHECK-LABEL: @foo6
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int foo6(int* p, int i) {
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// CHECK: getelementptr inbounds
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return *(p + i);
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}
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// Subtract offset from pointer
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// CHECK-LABEL: @foo7
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int foo7(int* p, int i) {
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// CHECK: getelementptr inbounds
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return *(p - i);
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}
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// Struct field
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// CHECK-LABEL: @foo8
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float foo8(S s) {
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// CHECK: getelementptr inbounds
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return s.y;
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}
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// IndexExp in dynamic array with const exp
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// CHECK-LABEL: @foo9
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int foo9(int[] a) {
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// CHECK: getelementptr inbounds i32, i32*
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return a[1];
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}
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// IndexExp in dynamic array with variable exp
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// CHECK-LABEL: @foo10
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int foo10(int[] a, int i) {
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// CHECK: getelementptr inbounds i32, i32*
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return a[i];
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}
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// SliceExp for static array with const lower bound
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// CHECK-LABEL: @foo11
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int[] foo11(ref int[3] a) {
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// CHECK: getelementptr inbounds i32, i32*
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return a[1 .. $];
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}
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// SliceExp for dynamic array with variable lower bound
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// CHECK-LABEL: @foo12
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int[] foo12(int[] a, int i) {
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// CHECK: getelementptr inbounds i32, i32*
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return a[i .. $];
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}
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