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; RUN: split-file %s %t
; RUN: not opt -S --dxil-translate-metadata %t/args.ll 2>&1 | FileCheck %t/args.ll
; RUN: not opt -S --dxil-translate-metadata %t/bad-count.ll 2>&1 | FileCheck %t/bad-count.ll
; RUN: not opt -S --dxil-translate-metadata %t/invalid-disable.ll 2>&1 | FileCheck %t/invalid-disable.ll
; RUN: not opt -S --dxil-translate-metadata %t/invalid-full.ll 2>&1 | FileCheck %t/invalid-full.ll
; Test that loop metadata is validated as with the DXIL validator
;--- args.ll
; CHECK: Invalid "llvm.loop" metadata: Provided conflicting hints
target triple = "dxilv1.0-unknown-shadermodel6.0-library"
define void @example_loop(i32 %n) {
entry:
br label %loop.header
loop.header:
%i = phi i32 [ 0, %entry ], [ %i.next, %loop.body ]
%cmp = icmp slt i32 %i, %n
br i1 %cmp, label %loop.body, label %exit
loop.body:
%i.next = add nsw i32 %i, 1
br label %loop.header, !llvm.loop !1
exit:
ret void
}
!1 = !{!1, !2, !3} ; conflicting args
!2 = !{!"llvm.loop.unroll.full"}
!3 = !{!"llvm.loop.unroll.disable"}
;--- bad-count.ll
; CHECK: "llvm.loop.unroll.count" must have 2 operands and the second must be a constant integer
target triple = "dxilv1.0-unknown-shadermodel6.0-library"
define void @example_loop(i32 %n) {
entry:
br label %loop.header
loop.header:
%i = phi i32 [ 0, %entry ], [ %i.next, %loop.body ]
%cmp = icmp slt i32 %i, %n
br i1 %cmp, label %loop.body, label %exit
loop.body:
%i.next = add nsw i32 %i, 1
br label %loop.header, !llvm.loop !1
exit:
ret void
}
!1 = !{!1, !2}
!2 = !{!"llvm.loop.unroll.count", !"not an int"} ; invalid count parameters
;--- invalid-disable.ll
; CHECK: Invalid "llvm.loop" metadata: "llvm.loop.unroll.disable" and "llvm.loop.unroll.full" must be provided as a single operand
target triple = "dxilv1.0-unknown-shadermodel6.0-library"
define void @example_loop(i32 %n) {
entry:
br label %loop.header
loop.header:
%i = phi i32 [ 0, %entry ], [ %i.next, %loop.body ]
%cmp = icmp slt i32 %i, %n
br i1 %cmp, label %loop.body, label %exit
loop.body:
%i.next = add nsw i32 %i, 1
br label %loop.header, !llvm.loop !1
exit:
ret void
}
!1 = !{!1, !2}
!2 = !{!"llvm.loop.unroll.disable", i32 0} ; invalid second operand
;--- invalid-full.ll
; CHECK: Invalid "llvm.loop" metadata: "llvm.loop.unroll.disable" and "llvm.loop.unroll.full" must be provided as a single operand
target triple = "dxilv1.0-unknown-shadermodel6.0-library"
define void @example_loop(i32 %n) {
entry:
br label %loop.header
loop.header:
%i = phi i32 [ 0, %entry ], [ %i.next, %loop.body ]
%cmp = icmp slt i32 %i, %n
br i1 %cmp, label %loop.body, label %exit
loop.body:
%i.next = add nsw i32 %i, 1
br label %loop.header, !llvm.loop !1
exit:
ret void
}
!1 = !{!1, !2}
!2 = !{!"llvm.loop.unroll.full", i32 0} ; invalid second operand
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