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Differential D5076 Diff 12967 test/Isl/CodeGen/blas_sscal_simplified.ll

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test/Isl/CodeGen/blas_sscal_simplified.ll

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				; RUN: opt %loadPolly %defaultOpts -polly-codegen-isl < %s
				;
				; int sscal(int n, float sa, float *sx) {
				; for(int i=0; i<n; i++, sx++)
				; sx = sa;
				; return 0;
				; }
				;
				grosserUnsubmitted Not Done Reply Inline Actions It is unclear what is tested in this test case. I assume this is the test case that broke previously. Could you add a comment to it to explain why it failed before. Something like. This test case segfaulted previously due to us not properly supporting load instructions followed by zexts in the run-time condition. (Please replace by the actual problem) grosser: It is unclear what is tested in this test case. I assume this is the test case that broke…
				jdoerfertAuthorUnsubmitted Not Done Reply Inline Actions I will add something. jdoerfert: I will add something.
				target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"

				define i32 @sscal(i32 %n, float %sa, float* %sx) {
				entry:
				br label %entry.split

				entry.split: ; preds = %entry
				%cmp1 = icmp sgt i32 %n, 0
				br i1 %cmp1, label %for.body.lr.ph, label %for.end

				for.body.lr.ph: ; preds = %entry.split
				%0 = zext i32 %n to i64
				br label %for.body

				for.body: ; preds = %for.body.lr.ph, %for.body
				%indvar = phi i64 [ 0, %for.body.lr.ph ], [ %indvar.next, %for.body ]
				%sx.addr.02 = getelementptr float* %sx, i64 %indvar
				%tmp = load float* %sx.addr.02, align 4
				%mul = fmul float %tmp, %sa
				store float %mul, float* %sx.addr.02, align 4
				%indvar.next = add i64 %indvar, 1
				%exitcond = icmp ne i64 %indvar.next, %0
				br i1 %exitcond, label %for.body, label %for.cond.for.end_crit_edge

				for.cond.for.end_crit_edge: ; preds = %for.body
				br label %for.end

				for.end: ; preds = %for.cond.for.end_crit_edge, %entry.split
				ret i32 0
				}